Mark McGuinness is a professional footballer from IRL and is currently 26 years old. He is on the books of Sheffield United and wears shirt number 25. His main role on the pitch is Defender. He measures 193cm in height and weighs 88kg. His estimated market valuation currently stands at 7M €.

His latest transfer saw him join Sheffield United from Luton Town via Free on 2025-09-01. The move was reported at 11.5M €.

Across the English Football League Championship 2025-2026, Mark McGuinness appeared in 29 matches and averaged 0.2 tackles, 0.6 interceptions, 4.4 clearances, and 0.1 blocked shots per game.