They celebrated their Centenary year in 1991 with a match against a star-studded Barbarians team featuring Internationals such as Eric Rush, Pierre Berbizier and Tony Underwood.

[2] Through the early 1990s they were one of the most successful teams in Leinster, reaching three cup finals and consistently playing in the 1st Division of the AIL League.

Old Wesley RFC were relegated from Division 1 in 1997 and the early years of professionalism marked a tough period for the club.

Based in Donnybrook, Dublin 4 on the banks of the Dodder River, Old Wesley RFC share their ground with Bective Rangers FC and the Leinster Branch of the IRFU.

Until 2007 Old Wesley RFC played their junior matches at the Kilgobbin ground near Sandyford which they shared with Lansdowne FC.