Note: The start date for any club already playing in either the Cherwell League, Trinity League is assumed to be 1994, the year the two leagues merged. For OCA clubs this is 2011, the earliest year we have league tables for and includes teams who left the OCA prior to 2021.
| Club | Year Joined | Year Left |
|---|---|---|
| Aylesbury Town | 1994 | 2005 |
| Banbury XX | 1994 | 2011 |
| Begbroke | ||
| Blewbury & Wallingford | 1994 | 2016 |
| Bloxham | ||
| Bourton Vale | 1994 | 2011 |
| Britwell Salome | 2011 | 2017 |
| Broughton | ||
| Buckland | ||
| Cassington | 2011 | 2011 |
| Cassington/Rescue | 2012 | 2013 |
| Cowley | 2012 | 2012 |
| Cowley Internationals | 2013 | 2015 |
| Cublington | 2011 | 2018 |
| Ducklington | 2011 | 2017 |
| Dunstable | 1994 | 1994 |
| Garsington | 2011 | 2016 |
| Great Horwood | 2011 | 2017 |
| Hailey | 2011 | 2016 |
| Hailey West Witney | 2017 | 2017 |
| Hanney | 2011 | 2016 |
| Henley Town | 1994 | 2006 |
| Kennington | 2011 | 2018 |
| Killkenny | 2011 | 2019 |
| Kings Sutton | 2011 | 2012 |
| Lower Heyford | ||
| Milton | ||
| Moreton-in-Marsh | 1994 | 2001 |
| Morris Motors | 1994 | 2008 |
| Nettlebed | ||
| Northleach Town | ||
| Old Botley | ||
| Oxford & Horspath | 2001 | 2003 |
| Oxford Caribbean | 2011 | 2012 |
| Oxford Rescue | 2011 | 2011 |
| Pressed Steel | 1994 | 1994 |
| Princes Risborough | 1994 | 2009 |
| Rover Cowley | 1995 | 2002 |
| Shrivenham | 2011 | 2019 |
| Stanton St John Willows | 1994 | 2013 |
| Steeple Claydon | ||
| Swindon GWR | 1994 | 2000 |
| Towersey | ||
| Wendover | 1996 | 2004 |
| West Witney | 2011 | 2016 |
| Winslow Town | 2011 | 2013 |
| Yarnton and Cowley | 2016 | 2018 |