John Mahon is a 26-year-old professional football player from IRL. He currently plays for Waterford United, wearing the number 5 shirt. He plays primarily as a Defender. His preferred foot is Right. His current market value is estimated at 125K €.

His most recent move was a from Sligo Rovers to Waterford United on 2025-12-31.

Throughout the Ireland Premier Division 2026, John Mahon featured in 4 matches, averaging 2 tackles, 0.8 interceptions, and 15 clearances per game, while blocking 0.3 shots per game.