Junior Thirds League - History
| Year | Winner |
|---|---|
| 1989 | St. Michaels' College |
| 1990 | St. Michaels' College |
| 1991 | Clongowes Wood College |
| 1992 | St. Michaels' College |
| 1993 | Presentation College Glasthule |
| 1994 | Blackrock College |
| 1995 | Blackrock College |
| 1996 | Blackrock College |
| 1997 | St. Michaels' College |
| 1998 | Clongowes Wood College |
| 1999 | Belvedere College |
| 2000 | Blackrock College |
| 2001 | Clongowes Wood College |
| 2002 | Belvedere College |
| 2003 | Belvedere College |
| 2004 | Blackrock College |
| 2005 | Blackrock College |
| 2006 | Belvedere College |
| 2007 | Blackrock College |
| 2008 | Blackrock College |
