 He made 24 league appearances for County including once scoring from the penalty spot against Finn Harps at Finn Park.Mulcahy was released by County at the end of the 2006 season, Mulcahy spent only one season at Waterford before he linked up with his former Dublin City boss Dermot Keely at Shelbourne for the 2008 season.Mulcahy made his Shelbourne debut as a second-half substitute in a scoreless draw against Dundalk at Tolka Park on 7 March 2008.