| - | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | Y | Z |
| Athlete | Sex | First Appearance | Last Appearance | Appearances | Colleges | Race Types |
|---|---|---|---|---|---|---|
| M. Cadogen | f | 1978-05-05 | 1980-05-03 | 6 | TCE | 1500m, 3000m |
| Daniel Caffery | m | 1993-11-27 | 1994-01-21 | 2 | SPM | 1500m, Road |
| Gerard Cagney | m | 1988-04-29 | 1996-04-20 | 14 | IUAA, QUB, UCD | 1500m, 3000mSC, 400mH, 800m, XC |
| Barry Cahill | m | 2002-11-16 | 2003-04-26 | 2 | UL | 10000m, Road |
| James Cahill | m | 2006-12-02 | 2006-12-03 | 1 | NUIG | 1500m |
| Jane Cahill | f | 2000-11-12 | 2004-02-28 | 11 | Guest, NUIM | 3000m, 5000m, Road, XC |
| Patricia Cahill | f | 1996-02-09 | 1997-06-24 | 9 | Guest, IUAA, Waterford RTC, WIT | 4x200m, LJ, TJ |
| Trish Cahill | f | 1996-12-13 | 1998-04-25 | 7 | WIT | 4x100m, HJ, LJ, TJ |
| Neil Caldwell | m | 1993-06-22 | 1998-06-23 | 6 | Guest, NI U20, NI U23 | 5000m, Mile, XC |
| Luis Calero | m | 2007-02-24 | 2007-02-24 | 1 | CIT | XC |
| Eoin Callaghan | m | 2005-11-19 | 2006-03-04 | 2 | DCU | Road, XC |
| Tony Callahan | m | 2000-02-26 | 2000-02-26 | 1 | NUIG | XC |
| Derek Callan | m | 2001-12-07 | 2005-04-23 | 12 | DCU | 200m, 400m, 400mH, 4x100m, 4x400m, LJ |
| Derek Callan | m | 1997-12-12 | 1998-12-12 | 4 | DCU | 400m |
| Patricia Callan | f | 1990-04-27 | 1994-02-19 | 2 | UCD, Unknown | 3000m, XC |
| Trisha Callan | f | 1992-03-07 | 1992-03-07 | 1 | UCD | XC |
| Fionbarr Callanan | m | 1950-05-17 | 1953-07-15 | 4 | UCD | 120yH, LJ, SP |
| Fionnbar Callanan | m | 1949-05-26 | 1953-07-15 | 6 | UCD | HJ, LJ |
| Fionnbarr Callanan | m | 1952-05-22 | 1953-07-15 | 2 | UCD | 120yH |
| P. Calleary | m | 1963-05-11 | 1966-05-07 | 3 | UCG | JT* |
| A. Callegey | m | 1967-05-06 | 1967-05-06 | 1 | UCD | SP |
| Ryan Calvert | m | 1998-03-14 | 2002-04-20 | 6 | NI U23, QUB | 10000m, XC |
| C. Campbell | m | 1997-06-24 | 1997-06-24 | 1 | Guest | 400m |
| Chris Campbell | m | 1995-12-16 | 1997-12-13 | 11 | QUB | 2000mW, 3000m, 400m, HJ, LJ, XC |
| David Campbell | m | 2004-11-20 | 2006-04-22 | 6 | DCU | 1500m, 800m, Road, XC |
| David Campbell | m | 2003-11-22 | 2004-04-17 | 3 | NUIM | 1500m, Road |
| Helen Campbell | f | 1998-12-11 | 2002-04-20 | 13 | QUB | 100m, 4x100m, 4x200m, 60m, SP |
| Joey Campbell | f | 1992-03-07 | 1992-03-07 | 1 | UCG | XC |
| Joy Campbell | f | 1999-06-22 | 1999-06-22 | 1 | NI U23 | 400m |
| Karen Campbell | f | 2001-12-07 | 2002-04-20 | 6 | NUIG | 100m, 200m, 4x200m, 60m |
| Katrina Campbell | f | 1992-04-24 | 2001-06-19 | 20 | IUAA, QUB | JT, JT*, SP |
| Louise Campbell | f | 1995-06-20 | 1996-06-25 | 2 | NI U23 | HT |
| Louise Campbell | f | 2001-04-20 | 2002-04-20 | 2 | RCSI | 5000m |
| M. Campbell | f | 1983-05-06 | 1983-05-07 | 1 | UCG | 800m |
| Michelle Campbell | f | 2004-12-03 | 2004-12-04 | 1 | UL | 1500mW |
| Natalee Campbell | f | 1995-06-20 | 1995-06-20 | 2 | H & Y | 100m, 200m |
| P. Campbell | f | 1992-04-24 | 1992-04-25 | 1 | UCG | 10000m |
| Patricia Campbell | f | 1987-05-08 | 1987-05-09 | 1 | UCG | 3000m |
| Patrick Campbell | m | 1996-06-25 | 1998-06-23 | 3 | NI U23 | PV |
| Paul Campbell | m | 1997-12-12 | 2001-12-08 | 16 | DIT | 1500m, 4x400m, 800m, Road, XC |
| Paul Campbell | m | 2002-12-06 | 2003-04-26 | 3 | TCD | PV, TJ |
| Scott Campbell | m | 2003-03-22 | 2003-03-22 | 1 | SU | XC |
| Stephanie Campbell | f | 2004-02-28 | 2007-02-24 | 4 | UU | 1500mW, 3000m, XC |
| Stephanie Campbell | f | 2000-06-20 | 2000-06-20 | 1 | NI U23 | 1500m |
| T. Campbell | m | 1977-05-06 | 1977-05-07 | 1 | TCE | 110mH |
| Laura Canning | f | 1984-05-04 | 1986-05-03 | 5 | UCD | 100m, 200m, 400m |
| Nicola Canning | f | 1994-04-22 | 1994-04-23 | 1 | TCD | JT* |
| Shane Canning | m | 2003-11-22 | 2003-11-22 | 1 | UU | Road |
| Barry Canton | m | 2000-11-12 | 2001-04-07 | 2 | UCD | Road, XC |
| E. Cantwell | m | 1958-07-28 | 1959-05-13 | 2 | UCC | JT* |
| Lynne Cantwell | f | 1999-12-03 | 2001-12-08 | 18 | IUAA, UL | 100mH, 200m, 400m, 400mH, 4x200m, 4x400m, 60mH, LJ, PV |
| Elaine Cardiff | f | 2004-02-06 | 2007-04-14 | 18 | UL | 200m, 400m, 4x100m, 4x200m |
| K. Cardiff | m | 1986-05-02 | 1986-05-03 | 1 | UCD | HT |
| John Carew | m | 2003-04-25 | 2005-12-11 | 4 | UL | 100m, 60m |
| Margaret Carew | f | 1999-04-23 | 1999-12-04 | 7 | WIT | 4x100m, 4x200m, 4x400m, 800m |
| Colm Carey | m | 2004-12-03 | 2004-12-04 | 1 | DIT | SP |
| D. Carey | m | 1971-05-07 | 1971-05-08 | 1 | QUB | HT |
| Darren Carey | m | 2003-04-25 | 2003-04-26 | 1 | IT Tallaght | 4x400m |
| Elizabeth Carey | f | 1989-05-05 | 1989-05-06 | 1 | UCD | 1500mW |
| Jackie Carey | f | 1994-01-21 | 1994-02-19 | 3 | UCG | 200m, 60m, XC |
| Joe Carey | m | 1976-04-30 | 1978-05-06 | 4 | UCD | LJ, TJ |
| Liz Carey | f | 1990-04-27 | 1991-05-04 | 3 | UCD | 1500mW, 400m, 400mH |
| M. Carey | f | 1973-05-11 | 1973-05-12 | 1 | UCG | 200m |
| J. Carian | f | 1983-05-06 | 1983-05-07 | 1 | TCE | 800m |
| Desiree Carlberg | f | 1998-04-24 | 1998-04-25 | 2 | UL | LJ, TJ |
| Owen Carleton | m | 2005-06-07 | 2007-11-17 | 11 | NI U23, President's Select, QUB | 1500m, 3000m, Road, XC |
| Michael Carley | m | 1993-03-06 | 1993-03-06 | 1 | TCD | XC |
| B. Carlin | m | 1924-05-31 | 1924-05-31 | 1 | UCD | DT |
| Nigel Carlisle | m | 1993-06-22 | 2001-04-21 | 17 | IUAA, NI U20, QUB, UU | 400m, 4x400m, 800m, JT |
| Aaron Carlyle | m | 2001-06-19 | 2003-06-10 | 3 | Guest, NI U23 | 400m |
| Pablo Carnahan | m | 2002-03-09 | 2002-03-09 | 1 | UCC | XC |
| Robert Carnegie | m | 2004-11-20 | 2004-11-20 | 1 | TCD | Road |
| D. Carney | m | 1938-05-26 | 1939-05-27 | 2 | UCD | 440y |
| Ruth Carney | f | 1992-03-07 | 1992-03-07 | 1 | NUIM | XC |
| Tracey Carney | f | 2005-12-10 | 2006-04-22 | 3 | WIT | 100m, 200m |
| Treacy Carney | f | 2004-02-06 | 2005-04-23 | 7 | WIT | 100m, 200m, 60m |
| Amy Carolan | f | 2001-11-07 | 2004-11-20 | 4 | UCD | Road, XC |
| Eoin Carolan | m | 1998-12-11 | 2002-04-20 | 8 | TCD | 1500m, 800m, Road, TJ, XC |
| Neil Carolan | m | 1995-12-16 | 1996-02-10 | 3 | Athlone RTC, Guest | 200m, 60m, XC |
| Raymond Carolan | m | 1995-12-16 | 1995-12-16 | 1 | DIT | XC |
| Bresniham Caroline | f | 2007-12-08 | 2007-12-09 | 1 | IT Carlow | 60m |
| Danny Carr | m | 1999-03-06 | 2000-04-15 | 4 | NUIG | 10000m, XC |
| Michael Carr | m | 1999-03-06 | 2002-11-16 | 6 | TCD | Road, XC |
| Anne-Marie Carroll | f | 2001-02-24 | 2005-04-23 | 7 | UCD | 1500mW, 3000m, DT, SP, XC |
| Brona Carroll | f | 2004-11-20 | 2004-11-20 | 1 | UCD | Road |
| Bronagh Carroll | f | 1998-12-11 | 1998-12-12 | 2 | DIT | LJ, SP |
| Catherine Carroll | f | 1997-12-12 | 2000-11-12 | 18 | IUAA, Queen's Select, UCC | 400m, 400mH, 4x200m, PV, Road, XC |
| J.S. Carroll | m | 1913-05-24 | 1913-05-24 | 1 | UCD | 56lbWfD |
| John Carroll | m | 2004-02-06 | 2005-04-23 | 5 | TCD | 35lbWfD, JT, SP |
| John Carroll | m | 2000-12-01 | 2002-04-20 | 2 | UCC | HJ, PV |
| John Carroll | m | 1998-12-11 | 1998-12-12 | 1 | Guest | 60m |
| John Carroll | m | 1998-12-11 | 2001-04-21 | 3 | Portobello | 400m, 60m |
| M. Carroll | m | 1948-05-22 | 1948-05-22 | 1 | UCC | 880y |
| Maura Carroll | f | 1999-03-06 | 1999-03-06 | 1 | UCC | XC |
| Noel Carroll | m | 2004-12-03 | 2007-02-24 | 5 | Guest, IT Sligo | 3000m, 3000mSC, XC |
| Norma Carroll | f | 1999-03-06 | 1999-04-24 | 2 | CIT | 1500m, XC |
| Oliver Carroll | m | 2000-04-14 | 2000-04-15 | 1 | IT Tallaght | LJ |
| Paul Carroll | m | 2004-04-16 | 2005-04-23 | 3 | IUAA, NUIM | JT |
| W. Carroll | m | 1948-05-22 | 1948-05-22 | 1 | UCC | Mile |
| Barry Carron | m | 2005-04-22 | 2005-04-23 | 1 | UCD | 400m |
| Paul Carron | m | 1999-06-22 | 2003-06-10 | 17 | Guest, IUAA, NI U23, UU | 1500m, 4x400m, 800m, Road, XC |
| Sarah Carrott | f | 1996-06-25 | 1996-06-25 | 1 | SU | 1500m |
| G. Carruth | m | 1923-06-02 | 1923-06-02 | 1 | QUB | SP |
| Gillan Carruthers | m | 2000-06-20 | 2000-06-20 | 1 | NI U23 | HT |
| Gillen Carruthers | m | 2001-06-19 | 2001-06-19 | 2 | NI U23 | DT, HT |
| D.M. Carson | m | 1923-06-02 | 1923-06-02 | 1 | TCD | Mile |
| Kathryn Carson | f | 2002-06-18 | 2008-04-19 | 16 | Guest, NI U23, UU | 100m, 200m, 60m |
| Norman Carson | m | 2002-06-18 | 2003-06-10 | 2 | NI U23 | 200m |
| Ruth Carson | f | 2004-12-03 | 2008-04-19 | 17 | TCD | 100m, 200m, 60m, DT, LJ |
| Sharon Carstairs | f | 2001-06-19 | 2001-06-19 | 1 | SU | 100m |
| Ian Carswell | m | 1995-06-20 | 1995-06-20 | 1 | H & Y | 1500m |
| Katriona Carter | f | 2001-12-07 | 2001-12-08 | 1 | UCC | PV |
| Darren Carty | m | 2001-11-07 | 2001-11-07 | 1 | TCD | Road |
| Denise Carty | f | 2001-12-07 | 2001-12-08 | 2 | UCD | LJ, SP |
| Robert Cascone | m | 2007-04-13 | 2007-04-14 | 1 | QUB | PV |
| Isabelle Caseux | f | 1997-12-12 | 1998-02-28 | 3 | UCD | 800m, XC |
| Colin Casey | m | 1991-05-03 | 1995-04-22 | 14 | IUAA, UL | HJ, LJ, TJ |
| David Casey | m | 1992-04-24 | 1992-04-25 | 1 | UCG | 110mH |
| Des Casey | m | 1993-12-04 | 1993-12-04 | 1 | Guest | XC |
| John Casey | m | 1992-03-07 | 1995-12-16 | 2 | UCC | XC |
| John Casey | m | 1993-12-04 | 1996-02-17 | 5 | UCD | XC |
| Karl Casey | m | 2004-02-06 | 2005-04-23 | 11 | TCD | 110mH, 60mH, CE, HJ, LJ, SP, TJ |
| M. Casey | m | 1986-05-02 | 1986-05-03 | 1 | RCSI | 800m |
| Monica Casey | f | 1996-02-09 | 1996-02-10 | 2 | Guest | 200m, 60m |
| Patrick Casey | m | 1994-02-19 | 1994-02-19 | 1 | UCD | XC |
| Paul Casey | m | 1995-03-04 | 1996-02-17 | 2 | TCD | XC |
| Paula Cash | f | 1985-05-03 | 1987-05-09 | 5 | UCD | 100mH, LJ |
| Eamonn Cashin | m | 2000-04-14 | 2000-04-15 | 1 | UCC | 3000mW |
| Diane Cashman | f | 1999-12-03 | 2003-04-26 | 23 | CIT, IUAA, UCC | 8kgWfD, DT, HT, JT, SP, XC |
| Johnny Cashman | m | 1993-03-06 | 1999-06-22 | 37 | IUAA, UCC | 1500m, 400m, 4x200m, 4x400m, 800m, XC |
| Miriam Cashman | f | 2007-11-17 | 2007-11-17 | 1 | UL | Road |
| G. Cassells | m | 1982-04-30 | 1982-05-01 | 1 | UCD | 110mH |
| Kathryn Casserly | f | 2002-12-06 | 2004-06-08 | 8 | IUAA, NUIG | 3000m, 4x400m, 5000m, XC |
| Danny Cassidy | m | 1996-12-13 | 1996-12-14 | 1 | UCC | 2000mW |
| Donnacha Cassidy | m | 1996-12-13 | 1996-12-14 | 4 | UCC | 200m, 4x200m, 60m |
| M.A. Cassidy | m | 1939-05-27 | 1939-05-27 | 2 | UCD | 880y, Mile |
| Paddy Cassidy | m | 1998-12-11 | 2003-06-10 | 28 | IUAA, TCD | 10000m, 1500m, 3000m, 3000mSC, 5000m, Road, XC |
| Patrick Cassidy | m | 2004-11-20 | 2008-04-19 | 13 | QUB | 1500m, 200m, 5000m, 800m, LJ, Road, XC |
| Maria Castera-Brugada | f | 2005-04-22 | 2005-04-23 | 1 | Guest | 1500mW |
| Jose-Maria Castillo | m | 1995-12-16 | 1995-12-16 | 1 | TCD | XC |
| Jose-Marie Castillo | m | 1996-02-17 | 1996-02-17 | 1 | TCD | XC |
| David Cather | m | 2002-11-16 | 2005-02-26 | 8 | QUB | 1500m, 2000mW, Road, XC |
| Don Caulfield | m | 2001-12-07 | 2001-12-08 | 1 | IT Tralee | 60m |
| Quentin Caulfield | m | 1996-06-25 | 1997-06-24 | 3 | NI U23 | DT, SP |
| Louise Cavanagh | f | 1989-05-05 | 1994-06-28 | 20 | IUAA, UCC, UCD | 1500m, 3000m, 800m, Road, XC |
| Philip Cavanagh | m | 2005-11-19 | 2006-04-22 | 2 | DCU | 3000mW, Road |
| Stephen Cavanagh | m | 2000-11-12 | 2000-11-12 | 1 | DIT | Road |
| T. Cavanagh | m | 1975-05-02 | 1975-05-03 | 1 | UCD | SP |
| Tom Cavanagh | m | 1952-05-22 | 1954-05-22 | 6 | UCC | 100y, 220y, 440y |
| S. Caves | f | 1967-05-06 | 1967-05-06 | 1 | QUB | 880y |
| Julia Chabrier | f | 2004-11-20 | 2005-04-23 | 4 | TCD | 3000mSC, Road, XC |
| Ruth Chamberlain | f | 2001-06-19 | 2001-06-19 | 2 | SU | 1500m, 3000m |
| Siobhan Chambers | f | 1990-04-27 | 1990-04-28 | 1 | UCD | 10000m |
| Will Chambers | m | 1995-06-20 | 1995-06-20 | 2 | SU | DT, SP |
| Sarah Chamney | f | 2004-02-28 | 2005-02-26 | 2 | TCD | XC |
| Ian Chaney | m | 2002-11-16 | 2006-04-22 | 17 | DCU, Guest, President's Select | 10000m, 1500m, 3000mW, 4x400m, Road, XC |
| Lisa Chapman | f | 1995-12-16 | 1995-12-16 | 1 | UU | XC |
| Ricky Chapman | m | 2007-11-17 | 2008-03-08 | 2 | TCD | Road, XC |
| Richard Chasser | m | 2003-06-10 | 2003-06-10 | 1 | SU | 200m |
| Larry Cheevers | m | 1964-05-09 | 1968-05-11 | 7 | UCD, UCG | DT, SP |
| J.C. Cherry | m | 1927-06-04 | 1928-06-02 | 2 | TCD | 440y |
| Richard Chesser | m | 2002-06-18 | 2002-06-18 | 2 | SU | 100m, 200m |
| Rory Chesser | m | 2004-11-20 | 2008-04-19 | 16 | IUAA, UL | 1500m, 3000m, 3000mSC, 5000m, M, Road, XC |
| Richard Chessor | m | 2003-06-10 | 2003-06-10 | 1 | SU | 100m |
| A. Chestnut | m | 1980-05-02 | 1982-05-01 | 2 | QUB | 400mH |
| C. Chestnut | m | 1981-05-01 | 1981-05-02 | 1 | QUB | 400mH |
| Adrian Cheung | m | 2004-04-16 | 2004-04-17 | 3 | RCSI | 100m, 4x100m, LJ |
| Siong Ching | m | 1996-02-09 | 1996-02-10 | 1 | UCC | 60mH |
| Alan Chivers | m | 1968-05-11 | 1968-05-11 | 1 | QUB | Mile |
| H.D. Chomse | m | 1937-05-22 | 1937-05-22 | 1 | TCD | 880y |
| Brian Christensen | m | 2001-11-07 | 2001-11-07 | 1 | TCD | Road |
| E.C. Christian | m | 1952-05-22 | 1953-07-15 | 3 | UCC | DT, SP |
| Jim Christie | m | 1976-04-30 | 1978-05-06 | 5 | QUB | 100m, 200m |
| Mark Christie | m | 2003-11-22 | 2008-04-19 | 14 | DCU | 10000m, 5000m, Road, XC |
| Dimitri Chrysostanion | m | 1989-05-05 | 1990-04-28 | 2 | TCD | HT |
| Marilyn Cittadini | f | 2007-12-08 | 2007-12-09 | 3 | QUB | 200m, 60m, LJ |
| Juliet Claffey | f | 1996-12-13 | 2000-06-20 | 27 | IUAA, UL | 1500mW, 200m, 3000m, 400m, 400mH, 4x100m, 4x400m, 60mH, 800m, HT, PV, TJ |
| Caroline Clancy | f | 1999-12-03 | 2000-04-15 | 3 | NUIG | 1500m, XC |
| Kieran Clancy | m | 2000-11-12 | 2000-12-02 | 2 | UL | 800m, Road |
| Peter Clancy | m | 1991-05-03 | 1992-04-25 | 2 | UL | 400mH |
| Cassandra Clark | f | 2000-11-12 | 2000-12-02 | 3 | TCD | 800m, Road |
| Eileen Clarke | f | 1993-03-06 | 1993-03-06 | 1 | UU | XC |
| Mary Clarke | f | 1991-05-03 | 1993-03-06 | 3 | TCD | 10000m, 1500m, XC |
| Mary Clarke | f | 1985-05-03 | 1985-05-04 | 1 | TCD | 4x400m |
| Patrick Clarke | m | 1999-12-03 | 1999-12-04 | 1 | NUIM | 4x200m |
| Roisin Clarke | f | 2006-11-18 | 2007-02-24 | 2 | UCD | Road, XC |
| Will Clarke | m | 1993-11-27 | 1994-01-21 | 2 | SPM | 3000m, Road |
| Fiona Clasper | f | 2001-06-19 | 2001-06-19 | 2 | SU | HT, SP |
| Mark Clayman | m | 1995-06-20 | 1995-06-20 | 1 | H & Y | DT |
| Doireann Cleary | f | 2004-11-20 | 2004-11-20 | 1 | UCC | Road |
| Evelyn Cleary | f | 2004-11-20 | 2004-11-20 | 1 | UCC | Road |
| Gregóir Cleary | m | 1997-02-01 | 1999-04-24 | 6 | UCD | 3000mW, XC |
| Stephen Cleary | m | 1999-04-23 | 2002-04-20 | 6 | NUIM | 3000m, 3000mSC, Road, XC |
| Daniel Clifford | m | 2007-12-08 | 2008-04-19 | 3 | IT Tralee | DT, SP |
| Fiona Clinton | f | 2007-11-17 | 2008-04-19 | 4 | UCD | 5000m, LJ, Road, XC |
| Olivia Clinton | f | 1984-05-04 | 1985-05-04 | 3 | UCD | 1500m, 800m |
| Michael Clohisey | m | 2005-02-26 | 2008-04-19 | 7 | Guest, UCD | 5000m, Road, XC |
| Mick Clohissey | m | 2006-11-18 | 2007-02-24 | 2 | UCD | Road, XC |
| Robin Clugstone | m | 1998-06-23 | 1998-06-23 | 1 | SU | 110mH |
| Fergus Clune | m | 1957-05-18 | 1957-05-18 | 1 | UCD | 440y |
| Gillian Clyne | f | 1999-11-13 | 1999-11-13 | 1 | DIT | Road |
| Alan Coakley | m | 2005-11-19 | 2006-03-04 | 2 | TCD | Road, XC |
| Donal Coakley | m | 2005-11-19 | 2008-03-08 | 5 | UCC | Road, XC |
| Peter Coary | m | 2003-03-09 | 2003-11-22 | 4 | DCU, IUAA | 3000mSC, Road, XC |
| Peter Coary | m | 2001-11-07 | 2001-11-07 | 1 | NUIM | Road |
| Jane Coates | f | 1995-06-20 | 1996-06-25 | 4 | SU | 100m, 200m, 400m |
| J.C. Coetzee | m | 1920-06-05 | 1920-06-05 | 1 | TCD | SP |
| Diarmuid Coffe | m | 2007-02-24 | 2007-04-14 | 6 | CIT | 16kgWfD, 5000m, DT, HT, SP, XC |
| C. Coffey | f | 1986-05-02 | 1986-05-03 | 1 | UCC | 800m |
| Diarmuid Coffey | m | 2008-03-08 | 2008-03-08 | 1 | CIT | XC |
| Karen Coffey | f | 1993-03-06 | 1994-02-19 | 6 | UCD | 10000m, 3000m, Road, XC |
| Shane Coffey | m | 2007-02-24 | 2008-03-08 | 3 | UCC | Road, XC |
| Gareth Coghlan | m | 2001-12-07 | 2005-04-23 | 10 | IUAA, UCD | 3000m, 3000mSC, 400mH, 5000m, Road |
| John Coghlan | m | 1998-12-11 | 2001-04-21 | 8 | UL | 100m, 60m |
| John Coghlan | m | 2007-11-17 | 2008-04-19 | 3 | DCU | 1500m, Road, XC |
| Sinead Coghlan | f | 1992-03-07 | 1992-03-07 | 1 | UL | XC |
| David Cogley | m | 1979-05-04 | 1979-05-05 | 1 | UCD | 100m |
| Avene Cole | f | 2008-04-18 | 2008-04-19 | 1 | DIT | 800m |
| Ben Cole | m | 2008-03-28 | 2008-03-28 | 1 | SU | M |
| Brian Cole | m | 1992-04-24 | 1992-04-25 | 1 | QUB | HJ |
| Andrew Coleman | m | 2000-11-12 | 2005-02-26 | 12 | UCD | 10000m, 1500m, 3000m, Road, XC |
| Gavin Coleman | m | 2002-11-16 | 2005-02-26 | 8 | UCD | 800m, Road, XC |
| N. Coleman | m | 1967-05-06 | 1967-05-06 | 1 | UCG | Mile |
| Ronan Coleman | m | 1994-01-21 | 1994-01-21 | 1 | UL | 400m |
| Barry Colfer | m | 2004-11-20 | 2007-11-17 | 5 | UCD | Road, XC |
| Deirdre Colgan | f | 1997-12-12 | 1997-12-13 | 1 | UCD | 60mH |
| Barry Colin | m | 2003-04-25 | 2003-04-26 | 1 | IT Carlow | 3000mSC |
| Barbara Colleary | f | 1995-06-20 | 1995-06-20 | 2 | SU | 1500m, 800m |
| Ailbhe Collins | f | 2006-12-02 | 2007-12-09 | 6 | UCC | 200m, 400m, Road |
| Ciaran Collins | m | 2007-02-24 | 2007-02-24 | 1 | UU | XC |
| Ciaran Collins | m | 2007-12-08 | 2008-04-19 | 4 | UCC | 400m |
| Conor Collins | m | 2000-12-01 | 2000-12-02 | 1 | UCC | PV |
| Diarmuid Collins | m | 2004-11-20 | 2005-02-26 | 2 | UCC | Road, XC |
| Diarmuid Collins | m | 2008-03-08 | 2008-03-08 | 1 | NUIG | XC |
| DJ Collins | m | 2004-04-16 | 2005-12-11 | 8 | UL | 35lbWfD, DT, HT, SP |
| Edel Collins | f | 1999-11-13 | 1999-12-04 | 2 | UCC | 200m, Road |
| J.C. Collins | m | 1921-06-04 | 1921-06-04 | 1 | TCD | DT |
| J.D. Collins | m | 1929-06-01 | 1931-05-30 | 3 | UCD | 440y |
| Justin Collins | m | 2004-12-03 | 2006-04-22 | 8 | AIT, IUAA | 35lbWfD, DT, SP |
| N. Collins | m | 1947-05-21 | 1948-05-22 | 3 | UCC | 880y, Mile |
| Neil Collins | m | 2006-12-02 | 2007-04-14 | 3 | TCD | 200m, LJ |
| Niamh Collins | f | 2005-11-19 | 2005-11-19 | 1 | TCD | Road |
| Ruth Collins | f | 2000-12-01 | 2004-04-17 | 21 | TCD | 200m, 400m, 4x100m, 4x200m, 60m, CE, DT, HJ, LJ, PV, Road, SP |
| Sinead Collins | f | 1999-11-13 | 2000-11-12 | 4 | UCC | 1500mW, 60m, Road |
| Tom Collins | m | 1999-11-13 | 1999-11-13 | 1 | UCD | Road |
| Tony Collins | m | 1998-12-11 | 2003-02-15 | 18 | Guest, UCD | 1500m, 3000m, 3000mSC, 4x400m, HJ, LJ, Road, TJ, XC |
| Chrissi Coluzzi | f | 1992-03-07 | 1992-03-07 | 1 | UCC | XC |
| Tomas Coman | m | 2003-04-25 | 2003-04-26 | 4 | UL | 400m, 4x400m |
| Tomas Coman | m | 1999-04-23 | 1999-04-24 | 4 | WIT | 400m, 4x400m |
| Michael Comeford | m | 1998-04-24 | 2000-04-15 | 8 | UL | 400m, 4x400m, HT |
| C. Comer | m | 1954-05-22 | 1954-05-22 | 1 | UCD | SP |
| Mark Comerford | m | 2000-04-14 | 2000-04-15 | 1 | WIT | 10000m |
| Michael Comerford | m | 1997-12-12 | 1999-12-04 | 9 | UL | 400m |
| Rosalea Comerford | f | 1996-02-09 | 1996-04-20 | 2 | UCC | 1500mW |
| Rosaleigh Comerford | f | 1996-12-13 | 1998-12-12 | 4 | IT Tralee, Tralee RTC | 1500mW |
| N.V. Commiskey | m | 1935-05-25 | 1937-05-22 | 5 | TCD | 100y, 220y, 440y |
| Peter Comy | m | 1997-02-01 | 1997-02-01 | 1 | UCG | XC |
| Tom Comyns | m | 1997-06-24 | 2000-04-15 | 18 | Guest, IUAA, UL | 100m, 200m, 4x100m, 4x200m, 4x400m |
| Tom Comyns | m | 2004-04-16 | 2004-04-17 | 2 | UL | 4x100m, 4x400m |
| M. Concannon | f | 1983-05-06 | 1983-05-07 | 1 | UCD | SP |
| P. Concannon | m | 1959-05-13 | 1959-05-13 | 1 | UCD | HJ |
| Chris Condon | m | 2004-12-03 | 2005-04-23 | 5 | UCD | 100m, 110mH, 60m, 60mH |
| Dermot Condon | m | 1998-12-11 | 1999-04-24 | 4 | CIT | 100m, 200m, 4x100m, 60m |
| Kieron Condon | m | 2006-02-18 | 2006-02-18 | 1 | TCD | XC |
| M. Condon | f | 1980-05-02 | 1980-05-03 | 1 | TCD | LJ |
| Ailish Condron | f | 2005-02-05 | 2005-02-05 | 1 | UCD | XC |
| Ian Condron | m | 1978-05-05 | 1982-05-01 | 7 | QUB | DT, JT*, LJ, PV |
| Keelan Condron | m | 1993-12-04 | 1993-12-04 | 1 | UCD | XC |
| Kieran Condron | m | 2005-02-05 | 2005-02-05 | 1 | UCD | XC |
| M. Condron | f | 1981-05-01 | 1981-05-02 | 1 | TCD | LJ |
| Niamh Condron | f | 2006-12-02 | 2007-04-14 | 3 | TCD | 1500mW, LJ |
| Eilish Conherty | f | 2003-02-15 | 2003-02-15 | 1 | UCD | XC |
| Keelan Conlan | m | 1993-11-27 | 1993-11-27 | 1 | UCD | Road |
| Keelan Conlan | m | 1996-02-09 | 1996-02-10 | 2 | UCD | 200m |
| Keelan Conlon | m | 1994-01-21 | 1996-02-10 | 11 | UCD | 200m, 400m, 4x200m, LJ |
| Niall Connaughton | m | 2003-11-22 | 2003-11-22 | 1 | UCD | Road |
| W.J.I. Connell | m | 1925-06-06 | 1925-06-06 | 1 | TCD | Mile |
| Jerry Connelly | m | 2000-04-14 | 2000-04-15 | 1 | DIT | 100m |
| Mark Connelly | m | 2008-04-18 | 2008-04-19 | 3 | TCD | 16kgWfD, DT, HT |
| Terry Connelly | m | 2000-04-14 | 2000-04-15 | 1 | DIT | 200m |
| Ailish Connery | f | 2006-02-18 | 2006-02-18 | 1 | UCD | XC |
| Eilis Connery | f | 2003-03-09 | 2006-03-04 | 10 | Guest, UCD | 1500m, 800m, Road, XC |
| Andrew Connick | m | 2005-04-22 | 2008-04-19 | 17 | IUAA, President's Select, WIT | 1500m, 3000m, 3000mSC, 800m, M, Road, XC |
| Laura Connick | f | 2008-03-08 | 2008-03-08 | 1 | UCD | XC |
| Colm Connolly | m | 2000-12-01 | 2000-12-02 | 2 | NUIG | 60mH |
| David Connolly | m | 2000-04-14 | 2002-04-20 | 10 | UCD | 100m, 200m, 4x100m, 4x400m, DT |
| Gerry Connolly | m | 1998-02-28 | 1998-02-28 | 1 | DIT | XC |
| Jerry Connolly | m | 1997-12-12 | 1999-12-04 | 13 | DIT | 100m, 200m, 4x100m, 4x200m, 60m |
| John Connolly | m | 1991-05-03 | 1994-02-19 | 13 | TCD | 110mH, 200m, 400mH, 60m, 60mH, SP, XC |
| John Connolly | m | 1993-06-22 | 1993-06-22 | 2 | IUAA | 110mH, 400mH |
| M. Connolly | m | 1913-05-24 | 1913-05-24 | 1 | UCC | 120yH |
| Robert Connolly | m | 2000-02-26 | 2001-04-21 | 5 | IUAA, Portobello | 3000mSC, 4x400m, 5000m, XC |
| Sarah Connolly | f | 2007-12-08 | 2007-12-09 | 1 | NUIG | 400m |
| Joe Connor | m | 1998-12-11 | 1998-12-12 | 1 | IT Tralee | 3000m |
| S. Connor | m | 1983-05-06 | 1983-05-07 | 1 | QUB | PV |
| Duffy Conor | m | 2007-12-08 | 2007-12-09 | 1 | IT Carlow | 60m |
| J.C. Conroy | m | 1930-06-07 | 1932-05-28 | 5 | TCD | DT, SP |
| M. Conroy | f | 1982-04-30 | 1982-05-01 | 1 | TCE | 1500m |
| Maria Conroy | f | 2004-04-16 | 2004-04-17 | 4 | WIT | DT, HT, PV, SP |
| Martin Conroy | m | 2001-04-07 | 2004-04-17 | 12 | NUIG | 10000m, 3000mW, 4x400m, Road, XC |
| P. Conroy | m | 1938-05-26 | 1939-05-27 | 2 | UCG | DT |
| Patrick Conroy | m | 2000-04-14 | 2000-04-15 | 1 | NUIG | 800m |
| Tom Conroy | m | 2001-04-20 | 2002-04-20 | 2 | CIT | JT |
| Brian Conway | m | 1995-12-16 | 1997-02-16 | 5 | Guest, UCD | 2000mW, 3000m, XC |
| Bryan Conway | m | 1992-03-07 | 2004-04-17 | 19 | QUB | 1500m, 5000m, 800m, Road, XC |
| Ciara Conway | f | 2001-12-07 | 2003-04-26 | 10 | UL | 100m, 100mH, 1500mW, 4x100m, 60m |
| Darragh Conway | m | 1985-05-03 | 1986-05-03 | 2 | NIHED | 400mH |
| F. Conway | m | 1977-05-06 | 1978-05-06 | 3 | TCD | LJ, PV |
| Harry H. Conway | m | 1920-06-05 | 1925-06-06 | 17 | UCD | 100y, 120yH, 440y, LJ |
| J. Conway | m | 1982-04-30 | 1982-05-01 | 1 | UCD | 400mH |
| Noel Conway | m | 1992-03-07 | 1996-12-14 | 7 | UL | 1500m, 3000m, XC |
| Noel Conway | m | 1995-03-04 | 2000-04-15 | 7 | NUIG, UCG | 10000m, 3000m, XC |
| Patrick Conway | m | 1999-04-23 | 1999-04-24 | 1 | UU | 3000mW |
| Philip Conway | m | 2004-11-20 | 2005-12-11 | 8 | UCD | 3000m, 3000mSC, Road, XC |
| Shane Conway | m | 1997-12-12 | 1998-02-28 | 2 | UCC | 800m, XC |
| Shane Conway | m | 1998-04-24 | 1998-04-25 | 1 | Guest | JT |
| Alan J. Cook | m | 1951-05-26 | 1951-05-26 | 1 | TCD | 220y |
| Aoife Cooke | f | 2007-11-17 | 2008-04-19 | 3 | UCC | 5000m, Road, XC |
| Eddie Cooke | m | 2005-02-26 | 2008-03-08 | 3 | QUB | Road, XC |
| Gillian Cooke | f | 2001-06-19 | 2001-06-19 | 2 | SU | LJ, TJ |
| Michael Cooke | m | 1990-04-27 | 1993-06-22 | 5 | IUAA, QUB | 200m, 400m, 400mH |
| P. Cooke | m | 1955-05-19 | 1955-05-19 | 2 | UCD | 220y, 440y |
| William Coolahan | m | 1999-12-03 | 1999-12-04 | 1 | NUIM | 2000mW |
| Fiona Cooley | f | 1991-05-03 | 1993-03-06 | 2 | TCD | 10000m, XC |
| Duncan Coombs | m | 2008-03-28 | 2008-03-28 | 1 | SU | M |
| Victor Cooney | m | 1998-02-28 | 1998-02-28 | 1 | NUIG | XC |
| E. Cooper | f | 1969-05-03 | 1969-05-03 | 1 | QUB | 100y |
| Emma Cooper | f | 1995-12-16 | 1999-04-24 | 8 | TCD | 1500m, XC |
| Joseph Cooper | m | 2000-02-26 | 2002-03-09 | 4 | DCU | 1500m, Road, XC |
| Linda Coote | f | 1998-02-28 | 1998-02-28 | 1 | NUIG | XC |
| Michael Coote | m | 2003-11-22 | 2004-11-20 | 2 | UCC | Road |
| Robert Corbally | m | 2007-11-17 | 2008-04-19 | 4 | IUAA, UCD | 3000mSC, M, Road, XC |
| Paula Corbert | f | 1997-02-01 | 1997-02-01 | 1 | WIT | XC |
| B. Corbett | m | 1947-05-21 | 1949-05-26 | 3 | UCG | 100y, 220y, HJ |
| Elaine Corbett | f | 2000-02-26 | 2000-12-02 | 3 | DCU | 1500m, 3000m, XC |
| J. Corbett | m | 1947-05-21 | 1947-05-21 | 1 | UCG | HJ |
| P. Corbett | f | 1998-04-24 | 1998-04-25 | 2 | WIT | 4x100m, 4x400m |
| Sharon Corbett | f | 2004-12-03 | 2008-04-19 | 8 | NUIG | DT, SP |
| Douglas Corcoran | m | 1995-06-20 | 1995-06-20 | 1 | H & Y | 1500m |
| Joe Corcoran | m | 2004-02-06 | 2004-06-08 | 8 | IUAA, UCD | 110mH, 35lbWfD, CE, LJ, SP, TJ |
| John Paul Corcoran | m | 2007-11-17 | 2008-04-19 | 2 | TCD | 1500m, Road |
| Kevin Corcoran | m | 2007-11-17 | 2008-03-08 | 2 | WIT | Road, XC |
| Richard Corcoran | m | 2004-04-16 | 2004-04-17 | 2 | Guest | 1500m |
| Chris Corey | m | 2004-11-20 | 2004-11-20 | 1 | QUB | Road |
| Kathryn Corish | f | 2003-06-10 | 2004-06-08 | 3 | NI U23 | 100m, 200m |
| Barry Cormack | m | 2005-02-05 | 2005-02-05 | 1 | TCD | XC |
| Sara Cormack | f | 2005-06-07 | 2005-06-07 | 1 | IUAA | PV |
| Sarah Cormack | f | 2004-02-06 | 2008-04-19 | 33 | IUAA, UL | 1500mW, 8kgWfD, DT, HJ, HT, JT, PV, SP |
| Bridget Corrigan | f | 1985-05-03 | 1985-05-04 | 1 | TCE | HJ |
| Brigid Corrigan | f | 2005-04-22 | 2005-04-23 | 2 | DCU | HJ, SP |
| Brigid Corrigan | f | 1983-05-06 | 1984-05-05 | 2 | TCE | HJ |
| Kyle Corrigan | m | 2002-06-18 | 2005-12-11 | 3 | NI U23, UU | PV |
| Lisa Corrigan | f | 1996-02-09 | 1996-02-10 | 2 | TCD | 4x200m |
| David Corry | m | 1912-06-03 | 1913-05-24 | 3 | QUB | 100y, 220y |
| Peter Corry | m | 1996-12-13 | 1999-03-06 | 4 | NUIG, UCG | 3000m, 4x200m, XC |
| Joseph Cosgrave | m | 2004-02-06 | 2004-02-07 | 5 | TCD | 60mH, CE, HJ, LJ, SP |
| R. Cosgrave | m | 1964-05-09 | 1964-05-09 | 1 | UCC | LJ |
| Una Cosgrove | f | 1988-04-29 | 1988-04-30 | 2 | UCC | DT, SP |
| Colin Costello | m | 2004-11-20 | 2005-02-26 | 2 | DCU | Road, XC |
| Eddie Costello | m | 2007-04-13 | 2007-04-14 | 1 | NUIG | 800m |
| M. Costello | m | 1955-05-19 | 1957-05-18 | 3 | UCG | PV |
| Patrick Costello | m | 2004-11-20 | 2005-02-26 | 3 | UCD | Road, XC |
| Victor Costello | m | 1993-04-23 | 1993-04-24 | 1 | UCD | SP |
| Ann Marie Costelloe | f | 2002-11-16 | 2003-03-09 | 2 | UCC | Road, XC |
| Ciaran Costelloe | m | 2006-04-21 | 2006-04-22 | 2 | DCU | 100m, 200m |
| Sean Costelloe | m | 2002-11-16 | 2002-11-16 | 1 | UCC | Road |
| Victor Costelloe | m | 1993-06-22 | 1993-06-22 | 1 | IUAA | SP |
| Jamie Costin | m | 1996-04-19 | 1996-04-20 | 1 | UCD | 3000mW |
| E.A. Cotter | m | 1913-05-24 | 1913-05-24 | 1 | UCC | 56lbWfD |
| Gillian Cotter | f | 1999-11-13 | 2000-02-26 | 2 | UCC | Road, XC |
| Joseph Cotter | m | 2000-04-14 | 2000-04-15 | 1 | DCU | 1500m |
| Liam Cotter | m | 1992-03-07 | 1992-03-07 | 1 | UCC | XC |
| Michael Cotter | m | 1995-06-20 | 1995-06-20 | 1 | IUAA | 5000m |
| Mick Cotter | m | 1995-03-04 | 1995-12-16 | 2 | UCC | XC |
| Owen Cotter | m | 1992-03-07 | 1992-03-07 | 1 | TCD | XC |
| Paul Cotter | m | 2006-11-18 | 2007-04-14 | 2 | UL | 3000mW, Road |
| W.H. Cotter | m | 1930-06-07 | 1931-05-30 | 2 | QUB | LJ |
| Cian Coughlan | m | 2000-04-14 | 2001-04-21 | 2 | CIT | 100m, 200m |
| Conor Coughlan | m | 2008-03-08 | 2008-03-08 | 1 | UCC | XC |
| Darren Coughlan | m | 2002-04-19 | 2004-04-17 | 15 | Limerick IT | 100m, 200m, 60m |
| David Coughlan | m | 2000-04-14 | 2000-04-15 | 1 | NUIM | 1500m |
| Gareth Coughlan | m | 2004-02-06 | 2007-11-17 | 3 | UCD | 1500m, Road |
| Garrett Coughlan | m | 2005-11-19 | 2007-04-14 | 4 | UCD | 1500m, Road, XC |
| John Coughlan | m | 1999-04-23 | 1999-12-04 | 2 | UL | 4x100m, 4x200m |
| Orla Coughlan | f | 2004-12-03 | 2004-12-04 | 2 | UL | 200m, 60m |
| Edward Coughlin | m | 2005-11-19 | 2006-03-04 | 2 | DCU | Road, XC |
| Jane Coulter | f | 2003-06-10 | 2003-06-10 | 1 | NI U23 | TJ |
| Jayne Coulter | f | 2004-06-08 | 2004-06-08 | 1 | NI U23 | TJ |
| Niall Counihan | m | 2007-12-08 | 2007-12-09 | 2 | UL | LJ, TJ |
| Courington | m | 2000-04-14 | 2000-04-15 | 1 | QUB | 3000mSC |
| John Courrell | m | 2005-11-19 | 2006-11-18 | 2 | UCD | Road |
| C. Courtney | m | 1975-05-02 | 1975-05-03 | 1 | UCC | 100m |
| Kyle Cowie | m | 2007-03-31 | 2007-03-31 | 1 | SU | XC |
| Neil Cowzer | m | 2005-02-05 | 2008-04-19 | 8 | UCD | 800m, Road, XC |
| Shane Cowzer | m | 2007-11-17 | 2008-04-19 | 3 | DIT | 800m, Road |
| Toni Cowzer | f | 2005-11-19 | 2006-02-18 | 2 | Guest, UCD | Road, XC |
| Alan Cox | m | 1988-04-29 | 1993-03-06 | 4 | TCD | 800m, XC |
| Michael Cox | m | 1993-04-23 | 1993-04-24 | 1 | UCD | 3000mW |
| R.F. Cox | m | 1928-06-02 | 1928-06-02 | 1 | TCD | 120yH |
| Raymond Cox | m | 1981-05-01 | 1984-05-05 | 2 | UCD | 3000mSC |
| B Coyle | m | 1990-04-27 | 1990-04-28 | 1 | QUB | 3000mSC |
| Ciaran Coyle | m | 2001-06-19 | 2002-04-20 | 2 | NI U23, UU | JT |
| Lisa Coyle | f | 2006-11-18 | 2006-11-18 | 1 | QUB | Road |
| Manus Coyle | m | 1992-03-07 | 1992-04-25 | 2 | QUB | 3000mSC, XC |
| Mary Frances Coyle | f | 1999-12-03 | 1999-12-04 | 2 | IT Carlow | 800m |
| P.J. Coyle | m | 1978-05-05 | 1978-05-06 | 2 | UCG | 10000m, 5000m |
| Elizabeth Coyles | f | 2002-03-09 | 2005-02-26 | 4 | QUB | Road, XC |
| Colin Coyne | m | 1995-12-16 | 2000-03-11 | 2 | DIT, IUAA | XC |
| Colin Coyne | m | 1997-02-01 | 2001-04-21 | 3 | WIT | 10000m, XC |
| Gillian Coyne | f | 2000-02-26 | 2000-02-26 | 1 | DIT | XC |
| Ian Craig | m | 1991-05-03 | 1991-05-04 | 2 | QUB | 100m, 200m |
| J. Craig | m | 1968-05-11 | 1968-05-11 | 1 | QUB | TJ |
| J. Craig | m | 1913-05-24 | 1914-06-05 | 5 | QUB | 100y, 220y |
| J.W. Craig | m | 1930-06-07 | 1932-05-28 | 3 | TCD | Mile |
| W.H. Craig | m | 1912-06-03 | 1912-06-03 | 2 | TCD | 880y, Mile |
| W.J. Craig | m | 1931-05-30 | 1931-05-30 | 1 | TCD | Mile |
| G.W. Craigie | m | 1935-05-25 | 1937-05-22 | 5 | TCD | 100y, 220y, LJ |
| Hazel Craigie | f | 1992-03-07 | 1992-03-07 | 1 | NUIM | XC |
| Jason Craughwell | m | 2001-12-07 | 2001-12-08 | 1 | IT Tralee | SP |
| A. Crawford | m | 1962-05-17 | 1964-05-09 | 3 | TCD | HJ |
| Cathy Crawford | f | 2002-06-18 | 2002-06-18 | 1 | Guest | 100m |
| Cathy Crawford | f | 2002-06-18 | 2002-06-18 | 1 | NI U23 | 100mH |
| D. Crawford | m | 1993-06-22 | 1993-06-22 | 1 | Guest | JT |
| Graham Crawford | m | 1993-06-22 | 1993-06-22 | 2 | SU | 3000mSC, 5000m |
| Conor Crawley | m | 1999-04-23 | 1999-04-24 | 4 | UCD | 100m, 200m, LJ, TJ |
| David Crawley | m | 1999-04-23 | 1999-04-24 | 1 | UL | LJ |
| Daniel Crean | m | 2003-11-22 | 2003-11-22 | 1 | DIT | Road |
| Conor Creedon | m | 2000-11-12 | 2001-04-07 | 2 | UCC | Road, XC |
| Conor Creen | m | 2001-11-07 | 2003-11-22 | 2 | QUB | Road |
| Martin Crehan | m | 1999-03-06 | 2001-04-07 | 2 | NUIG | XC |
| Amanda Creighton | f | 2004-02-06 | 2006-12-03 | 20 | UL | 100m, 4x100m, 4x200m, 60m, JT, LJ, TJ |
| Ger Cremin | m | 1996-12-13 | 1999-04-24 | 7 | IT Tralee, Tralee RTC | 110mH, 400mH, 60mH |
| Niamh Cremin | f | 2002-12-06 | 2007-04-14 | 24 | IUAA, UCC, UL | 100mH, 200m, 400mH, 4x200m, 4x400m, 60mH, LJ |
| Padraig Cremin | m | 1999-12-03 | 2002-04-20 | 20 | UCC | 110mH, 400m, 4x400m, CE, HJ, LJ, PV, SP, TJ |
| Lorraine Crene | f | 1999-03-06 | 1999-03-06 | 1 | UCD | XC |
| Patrick Crogan | m | 2000-11-12 | 2000-11-12 | 1 | UCD | Road |
| A. Cronin | m | 1999-04-23 | 1999-04-24 | 1 | CIT | 4x400m |
| Aonghus Cronin | m | 1996-12-13 | 1996-12-14 | 1 | CIT | 200m |
| Deidre Cronin | f | 2005-12-10 | 2005-12-11 | 1 | CIT | LJ |
| F. Cronin | m | 1947-05-21 | 1947-05-21 | 1 | UCD | Mile |
| Lisa Cronin | f | 2001-11-07 | 2002-11-16 | 5 | UCC | 4x400m, 800m, Road, XC |
| Tadhg Cronin | m | 2005-11-19 | 2005-11-19 | 1 | UL | Road |
| S. Cross | m | 1987-05-08 | 1987-05-09 | 1 | QUB | LJ |
| Etain Crossadell | f | 1980-05-02 | 1982-05-01 | 6 | TCD | 400m, 800m |
| Gary Crossan | m | 1995-12-16 | 1998-06-23 | 10 | IUAA, Limavady HEC, UU | 10000m, 1500m, 3000m, 3000mSC, Mile, XC |
| Gerard Crossan | m | 2008-04-18 | 2008-04-19 | 1 | NUIG | 400m |
| Karen Crossan | f | 2007-11-17 | 2008-03-08 | 2 | DCU | Road, XC |
| P. Crossan | m | 1984-05-04 | 1987-05-09 | 4 | QUB | 400m, 4x400m |
| M. Crosse | f | 1981-05-01 | 1982-05-01 | 3 | TCE | 100mH, 400mH |
| M. Crosse | f | 1976-04-30 | 1979-05-05 | 14 | UCC | DT, HJ, JT*, SP |
| Jim Crotty | m | 1980-05-02 | 1980-05-03 | 2 | UCC | 100m, 200m |
| Owen Crotty | m | 1980-05-02 | 1980-05-03 | 2 | UCC | 200m, 400m |
| T. Crotty | m | 1984-05-04 | 1984-05-05 | 1 | UCC | DT |
| T. Crotty | m | 1980-05-02 | 1980-05-03 | 1 | UCC | DT |
| Laura Crowe | f | 2006-11-18 | 2008-04-19 | 8 | UCC | 200m, 800m, Road, XC |
| Louis C. Crowe | m | 1950-05-17 | 1950-05-17 | 2 | UCD | 100y, 220y |
| Paul Crowe | m | 2007-12-08 | 2007-12-09 | 1 | Guest | SP |
| Tim Crowe | m | 1974-05-03 | 1975-05-03 | 3 | TCE | 400m, 400mH |
| Christopher Crowley | m | 2005-12-10 | 2006-04-22 | 7 | CIT | 110mH, CE, HJ, LJ, SP |
| Christopher Crowley | m | 2006-12-02 | 2008-04-19 | 25 | DCU | 110mH, 60mH, CE, HJ, JT, LJ, PV, SP, TJ |
| Conor Crowley | m | 1998-04-24 | 2000-04-15 | 9 | UCD | 4x100m, 4x200m, 60mH, LJ, SP, TJ |
| Dave Crowley | m | 1999-12-03 | 2000-04-15 | 9 | UL | 200m, 4x200m, LJ, TJ |
| Eimear Crowley | f | 2006-12-02 | 2007-04-14 | 5 | UCD | 200m, 60m |
| Helen Crowley | f | 1994-01-21 | 1994-01-21 | 2 | Cork RTC | HJ, LJ |
| John Crowley | m | 2006-04-21 | 2006-04-22 | 2 | Guest | 100m |
| John Crowley | m | 2006-12-02 | 2008-04-19 | 13 | UCD | 100m, 16kgWfD, 200m, 60m, SP |
| Margaret-Mary Crowley | f | 1999-11-13 | 2001-12-08 | 24 | UCC | 400m, 4x200m, 800m, Road, XC |
| Ronan Crowley | m | 2003-03-09 | 2004-11-20 | 6 | NUIG | 1500m, Road, XC |
| Eddie Crozier | m | 2003-11-22 | 2006-04-22 | 3 | UU | 2000mW, 3000mW, Road |
| Frank Cruess Callaghan | m | 1953-07-15 | 1956-05-16 | 6 | UCD | 120yH, HJ, JT*, LJ, PV |
| Justina Cruikshanks | f | 1997-06-24 | 1997-06-24 | 1 | SU | TJ |
| Aonghus Crumin | m | 1996-12-13 | 1996-12-14 | 1 | CIT | 60m |
| Patrick Cryan | m | 2000-02-26 | 2000-02-26 | 1 | Portobello | XC |
| Caitriona Cuddihy | f | 2005-12-10 | 2006-04-22 | 3 | UL | 400m, 400mH |
| Joanne Cuddihy | f | 2002-12-06 | 2006-04-22 | 15 | UCD | 100m, 200m, 400m, 4x100m, 4x200m, 4x400m, HJ, PV |
| Alistair Culbert | m | 2003-11-22 | 2003-11-22 | 1 | UU | Road |
| Patric Cullan | m | 2002-04-19 | 2002-04-20 | 5 | RCSI | 35lbWfD, 4x400m, HT, JT, SP |
| Caroline Cullen | f | 2001-11-07 | 2003-11-22 | 2 | DCU, UCD | Road |
| Donal Cullen | m | 1954-05-22 | 1961-05-06 | 12 | UCD | 120yH, 440y, 880y, Mile |
| E.J. Cullen | m | 1960-05-14 | 1961-05-06 | 2 | UCC | 880y, Mile |
| Joe Cullen | m | 2002-04-19 | 2002-04-20 | 3 | RCSI | 400mH, 4x400m, LJ |
| N Cullen | f | 1993-02-12 | 1993-02-12 | 1 | SPM | SP |
| Neil Cullen | m | 2007-11-17 | 2008-04-19 | 5 | TCD | 100m, 200m, 400m, 60m, Road |
| Gail Culleton | f | 1992-03-07 | 1994-04-23 | 5 | UL | 10000m, 1500m, 3000m, XC |
| Cian Cullinan | m | 1999-11-13 | 1999-11-13 | 2 | TCD | Road |
| Brian Cullinane | m | 1997-12-12 | 1998-12-12 | 8 | UL | 200m, 4x100m, 4x200m, 4x400m, 60m, PV |
| Shane Cullinane | m | 2004-12-03 | 2005-04-23 | 7 | UCC | 110mH, 60mH, HJ, LJ |
| Scott Culpepper | m | 2000-04-14 | 2001-04-21 | 2 | RCSI | 5000m |
| Joe Cumiskey | m | 1966-05-07 | 1968-05-11 | 6 | UCD | 100y, 220y |
| Kevin Cumisky | m | 1996-02-09 | 1996-02-10 | 2 | Guest | 1500m |
| Scott Cumming | m | 1994-06-28 | 1994-06-28 | 1 | SU | 400m |
| Eoin Cummins | m | 1999-03-06 | 2007-04-14 | 24 | UCD | 1500m, 4x400m, 800m, Road, XC |
| Jonathan Cummins | m | 2006-11-18 | 2006-11-18 | 1 | TCD | Road |
| Muriel Cummins | f | 1997-12-12 | 2002-04-20 | 45 | IUAA, TCD | 100mH, 1500m, 200m, 400m, 400mH, 4x100m, 4x200m, 60mH, 800m, CE, HJ, LJ, PV, Road, SP, TJ, XC |
| Niamh Cummins | f | 2000-04-14 | 2005-11-19 | 25 | Guest, IUAA, UCC | 100mH, 400mH, 4x100m, 4x200m, 60mH, CE, HJ, LJ, PV, Road, TJ |
| Niamh Cummins | f | 2005-12-10 | 2006-04-22 | 3 | UCD | 400m |
| Niamh Cummins | f | 2005-12-10 | 2006-04-22 | 4 | WIT | 100mH, 400m, 60mH |
| Sinead Cummins | f | 1995-03-04 | 1995-03-04 | 1 | UL | XC |
| Suzanne Cummins | f | 1996-02-09 | 1996-12-14 | 7 | UCC | 200m, 4x200m, 60m, 60mH |
| Tom Cummins | m | 1992-04-24 | 1996-12-14 | 27 | IUAA, UL | 100m, 200m, 4x200m, 60m |
| John Cunniffe | m | 1997-02-01 | 2004-01-24 | 23 | Guest, TCD | 2000mW, 3000mW, Road, XC |
| Damian Cunningham | m | 2000-11-12 | 2002-03-09 | 5 | UL | 2000mW, 3000mSC, Road, XC |
| Dean Cunningham | m | 2001-04-20 | 2001-04-21 | 1 | WIT | LJ |
| Ger Cunningham | m | 2007-12-08 | 2007-12-09 | 4 | CIT | 200m, 400m, 60m, SP |
| Jennifer Cunningham | f | 1993-04-23 | 1993-06-22 | 3 | IUAA, UL | 100m, 200m |
| Kieren Cunningham | m | 2006-11-18 | 2007-02-24 | 3 | UCC | 3000m, Road, XC |
| Niall Cunningham | m | 2002-12-06 | 2005-12-11 | 15 | UU | 110mH, 200m, 35lbWfD, 400m, 60mH, CE, HJ, LJ, SP, TJ |
| Niall Cunningham | m | 2004-12-03 | 2004-12-04 | 1 | IT Sligo | 800m |
| Tom Cunningham | m | 1993-03-06 | 1993-03-06 | 1 | UL | XC |
| Tom Cunningham | m | 2008-03-28 | 2008-03-28 | 1 | SU | M |
| Derek Cunnion | m | 1996-02-09 | 1997-12-13 | 5 | DCU | 200m, 4x200m, 60m, 800m |
| Anne Curley | f | 1993-12-04 | 1994-02-19 | 2 | TCD | XC |
| Anne Curley | f | 2000-02-26 | 2000-02-26 | 1 | DCU | XC |
| Damien Curley | m | 1985-05-03 | 1985-05-04 | 1 | UCD | 400m |
| Pauline Curley | f | 2003-04-25 | 2004-02-07 | 3 | AIT | 1500m, 3000m |
| Conor Curran | m | 1993-06-22 | 1995-06-20 | 6 | IUAA, NI U20, QUB | 1500m, 3000mSC, Road, XC |
| Darren Curran | m | 2006-11-18 | 2007-04-14 | 2 | NUIG | LJ, Road |
| Eugene Curran | m | 1987-05-08 | 1987-05-09 | 1 | TCE | 1500m |
| Eugene Curran | m | 1982-04-30 | 1985-05-04 | 4 | TCD | 1500m, 800m |
| Fidelma Curran | f | 1992-03-07 | 1992-03-07 | 1 | UCC | XC |
| Finbar Curran | m | 2001-04-20 | 2001-04-21 | 1 | CIT | 100m |
| Jenny Curran | f | 2005-06-07 | 2006-04-22 | 13 | Guest, UU | 100mH, 60mH, CE, HJ, LJ, SP, TJ |
| Martha Curran | f | 1997-12-12 | 1999-03-06 | 5 | Dublin Colleges, UCD | 1500m, XC |
| Martia Curran | f | 1999-04-23 | 1999-04-24 | 1 | UCD | 5000m |
| Michael Curran | m | 2004-02-06 | 2004-02-07 | 5 | Letterkenny IT | 60mH, CE, HJ, LJ, SP |
| Nuala Curran | f | 2001-06-19 | 2001-06-19 | 1 | NI U23 | LJ |
| Patrick Curran | m | 1996-02-09 | 1996-02-10 | 1 | UL | 400m |
| Paul Curran | m | 1994-06-28 | 1998-06-23 | 4 | Guest, NI U23 | 110mH, 3000mSC, HJ, TJ |
| Ronan Curran | m | 1998-12-11 | 2001-04-21 | 5 | IUAA, UCC | PV |
| S. Curran | m | 1987-05-08 | 1987-05-09 | 1 | UCD | 110mH |
| Liz Currid | f | 1999-03-06 | 1999-03-06 | 1 | TCD | XC |
| Muireann Currid | f | 1999-11-13 | 1999-11-13 | 1 | NUIG | Road |
| B. Curtain | m | 1976-04-30 | 1976-05-01 | 1 | TCD | 110mH |
| Paul Curtayne | m | 1994-02-19 | 1998-02-28 | 5 | TCD, UCD | SP, XC |
| Brendan Curtin | m | 1985-05-03 | 1985-05-04 | 2 | TCD | JT*, SP |
| Brendan Curtin | m | 1981-05-01 | 1981-05-02 | 2 | UCD | DT, SP |
| Brendan Curtin | m | 1976-04-30 | 1976-05-01 | 1 | TCD | JT* |
| Brendan Curtin | m | 1972-05-05 | 1976-05-01 | 13 | UCD | 110mH, HJ, JT*, LJ, SP, TJ |
| T. Curtin | m | 1983-05-06 | 1984-05-05 | 2 | QUB | 3000mSC, 5000m |
| D.E. Cusack | m | 1929-06-01 | 1929-06-01 | 1 | TCD | 440y |
| H. Cusack | m | 1968-05-11 | 1968-05-11 | 1 | QUB | SP |
| J.W. Cusack | m | 1928-06-02 | 1928-06-02 | 1 | TCD | 220y |
| L. Cusdin | f | 1970-05-09 | 1970-05-09 | 3 | QUB | DT, JT*, SP |
| Dennis J. Cussen | m | 1921-06-04 | 1925-06-06 | 12 | TCD | 100y, 220y, DT, LJ, SP |
| R.J. Cussen | m | 1926-06-05 | 1927-06-04 | 2 | TCD | LJ |
| Theresa Cussen | f | 2002-11-16 | 2002-11-16 | 1 | UCC | Road |