Oisin Gallagher is a product of City’s Academy and signed his first professional deal with the Imps in September 2021.

The versatile youngster made his first team debut in a 3-0 win against Barnsley in the EFL Trophy in 2022.

The Irishman has spent time on loan at Peterborough Sports, Drogheda United and most recently Boston United in the Vanarama National League. The 2024/25 season saw him make four appearances in the EFL Trophy, starting games against Grimsby Town, Manchester City U21 and Morecambe. 

Gallagher returned from an injury in November 2025, playing 64 minutes at Oakwell against Barnsley in the Vertu Trophy before re-joining Boston United on loan.

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