He played with the Kerry intercounty team at all levels during the 1990s and with his club Laune Rangers.

O'Shea won a Senior All Ireland medal in 1997 but was taken off early in the game after breaking his leg after a mix up with teammate Maurice Fitzgerald.

[2] Billy O'Shea had great success at club level with Laune Rangers.

O'Shea won Kerry Senior Football Championship titles in 1989, 1993, 1995 and 1996, he also played in finals 2003 and 2004.

He won an impressive seven Kerry County Football League – Division 1 titles in 1989, 1992 and from 1994 to 1998.