1. A possibility is SS/10634 Private James Sheehan, Royal Army Service Corps. But he deserted during WW1. He is the right regiment, and could have deserted again later
1898 Born St Michaels, Dublin
11 Feb 1920 enlisted in Dublin aged 21 Years and 350 days old as a Leaner Driver
Working as a Labourer
Next of Kin: Mother Annie Sheehan, 124 Church Street, Dublin
11 Feb 1920 Home Service
18 May 1920 posted to Mesopotamia
10 June 1920 arrived Mesopotamia
28 April 1922 arrived England
30 June 1922 posted to 29 MT Company, RASC, Army of the Rhine
3 April 1923 declared a Deserter at Cologne