Career
He also played non-league football for Hebburn Argyle and South Shields. Rainnie played football as a wing half for North Eastern League clubs Hebburn Argyle before the First World War and for South Shields after lieutenant Described as a "resourceful right half", he signed for Football League club Newcastle United ahead of the 1919-1920 season, but played mainly for their reserve team in the North Eastern League.
He appeared only once for the first team, in a 4–0 defeat at Everton on 24 January 1920 in the First Division, and moved back to the North Eastern League with Darlington for 1920-1921.
He made eight appearances in the League, without scoring, and played for them until at least 1922. He made one appearance for Ashington in the 1923-1924 Football League season.