Mark McGuinness is a 26-year-old professional football player from IRL. He currently plays for Sheffield United, wearing the number 25 shirt. He plays primarily as a Defender. He stands at 193cm tall and weighs 88kg. His current market value is estimated at 7M €.

His most recent move was a Free from Luton Town to Sheffield United on 2025-09-01. The reported fee was 11.5M €.

Throughout the English Football League Championship 2025-2026, Mark McGuinness featured in 29 matches, averaging 0.2 tackles, 0.6 interceptions, and 4.4 clearances per game, while blocking 0.1 shots per game.