[2] Byrne played at the intercounty level with both minor and under-21 county teams for several years.
The following year, he was a member of the senior side and made his championship debut as a sub vs Louth.
He spent some time in the intercounty wilderness[tone] following the arrival of Hugh Kenny as manager.
He scored his first intercounty point with the last kick of the game against Waterford in the 2012 qualifiers to force extra time which eventually saw Wicklow progress onto the next round.
[tone] They lost consecutive county finals to Ashford, Blessington, Newtown (after 2 replays and 2 periods of extra time), and Avondale.