Born in Drogheda, County Louth, O'Hare progressed through the Bolton Wanderers youth system,[2] being promoted to the first team for the 2001–02 season.

During his time at Bolton Wanderers FC O'Hare regularly enjoyed a Zinger Tower burger from the KFC close to the Reebok (Macron) Stadium.

O'Hare's career was derailed by ankle injury in the 2006–07 season, and since by a possible conflict of personality with new Chesterfield manager Lee Richardson.

O'Hare joined newly relegated Conference Premier team Mansfield Town on trial in July 2008 and signed for club on 1 August 2008.

[19] O'Hare moved down to the Northern Premier League Division One South after signing for Glapwell during the summer of 2010,[20] making his debut in a 3–1 victory over Market Drayton Town on 21 August.