Gullick was born in Pontypool district, Wales.#,[4] following his move to play rugby in the north of England, he worked as a woodwork teacher at Ashton Grammar School, Ashton-in-Makerfield, and as a games master at Rivington Road School in St. Helens, and he died aged 75.
[1] Don Gullick played at centre in St. Helens' 24-14 victory over Halifax in the Championship Final during the 1952–53 season at Maine Road, Manchester on Saturday 9 May 1953.
[5] Don Gullick played at centre in St. Helens' 10-15 defeat by Huddersfield in the 1952-53 Challenge Cup Final at Wembley Stadium, London on Saturday 25 April 1953.
[6] Don Gullick played at centre, and scored a try in St. Helens' 5-22 defeat by Leigh in the 1952 Lancashire Cup Final during the 1952–53 season at Station Road, Swinton on Saturday 29 November 1952, and played at centre in St. Helens' 16-8 victory over Wigan in the 1953 Lancashire Cup Final during the 1953–54 season at Station Road, Swinton on Saturday 24 October 1953.
[7] They had children; David (birth registered during fourth ¼ 1951 (age 73–74) in St. Helens district), and Sian (birth registered during second ¼ 1955 (age 69–70) in St. Helens district).