Born in
Banagher,
County Offaly, Treacy first came to hurling prominence at juvenile and underage levels with the
St Rynagh's club. He eventually progressed onto the club's senior team and has since won two
County Championship titles. Treacy first appeared on the inter-county scene with the
Offaly under-21 team during the
2012 Leinster Championship. He made his first appearance with the
Offaly senior hurling team during the
2017 National League. Treacy secured his first silverware during the 2021 season, when Offaly claimed the
National League Division 2A and
Christy Ring Cup titles. ==Honours==