LIST OF SUPPLEMENTARY CUP WINNERS
| SEASON | SUPPLEMENTARY CUP WINNERS | SCORE | RUNNERS UP | VENUE |
| 1985-86 | MULLION | 2-1 | PERRANWELL | TRURO |
| 1986-87 | PENRYN ATHLETIC | 4-0 | RAF ST MAWGAN | HELSTON |
| 1987-88 | HELSTON ATHLETIC | 4-3 | PENDEEN ROVERS | MARAZION |
| 1988-89 | PORTHLEVEN | 2-1 | RAF ST MAWGAN | TRURO |
| 1989-90 | PORTHLEVEN RESERVES | 1-1 | ST AGNES | PENRYN |
|
REPLAY |
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| ST AGNES | 2-0 | PORTHLEVEN RESERVES | PENRYN | |
| 1990-91 | ST AGNES | 2-1 | FALMOUTH TOWN RESERVES | PORTHLEVEN |
| 1991-92 | PORTHLEVEN RESERVES | 1-0 | RAF ST MAWGAN | PENZANCE |
| 1992-93 | TRURO CITY RESERVES | 1-0 | ST JUST | PENRYN |
| 1993-94 | FALMOUTH TOWN RESERVES | 3-0 | RNAS CULDROSE | PORTHLEVEN |
| 1994-95 | ST IVES TOWN | 1-0 | ST JUST | PENZANCE |
| 1995-96 | HELSTON ATHLETIC | 3-0 | ST AGNES | PENZANCE |
| 1996-97 | ST IVES TOWN | 3-1 | ST AGNES | PORTHLEVEN |
| 1997-98 | RNAS CULDROSE | 1-0 | TROON | PORTHLEVEN |
| 1998-99 | RNAS CULDROSE | 2-1 | WENDRON CC UNITED | PORTHLEVEN |
| 1999-00 | FALMOUTH TOWN RESERVES | 6-2 | RNAS CULDROSE | WENDRON |
| 2000-01 | ST IVES TOWN | 2-1 | ST AGNES | PENRYN |
| 2001-02 | ST AGNES | 4-0 | PERRANWELL | PENRYN |
| 2002-03 | ILLOGAN | 0-0 | RNAS CULDROSE | FALMOUTH |
|
REPLAY |
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| ILLOGAN | 2-1 | RNAS CULDROSE | PENRYN | |
| 2003-04 | GOONHAVERN | 3-0 | HAYLE | PENZANCE |
| 2004-05 | HAYLE | 1-0 | PENRYN ATHLETIC RESERVES | FALMOUTH |
| 2005-06 | HOLMAN SC | 3-1 | LUDGVAN | PENZANCE |
| 2006-07 | ST AGNES | 5-2 | HELSTON ATHLETIC | FALMOUTH |
| 2007-08 | PENRYN ATHLETIC RESERVES | 3-2 | FALMOUTH TOWN RESERVES | HELSTON |
| 2008-09 | FALMOUTH TOWN RESERVES | 4-0 | PORTREATH | WENDRON |