There is another G Spence ADRIC 401 , joined 17 Dec 1920. I cannot separate the two men, but they may be different. On a page with many clerical errors. On balance I think they are the same man
1891 Nov 14. Born Dublin
1901 census at Lower Camden St, Dublin
1911 census at York Sr Dublin
1914 Sep 14 Married in Dublin
1916 Mar 13. enlisted # 725325 in ASC, York St, Dublin
1916 Aug . Discharged . Longford Lane , Dublin. Services no longer required. Charactr "indifferent" George Henry Nixon Spence
1920 Moved to Glasgow from the births of his children
1920 Dec 14. Joined with RIC no 77243 & ADRIC no 391 or 401 (both recorded). Blacksmith & ex-Soldier
1920 Dec 14 Posted Depot
1921 Feb 5 . Services dispensed with
1955 Apr 1 Died Lanarkshire, Scotland. bronchial pneumonia Myocardial degeneration.