The most likely candidate r is 35474 Gunner Albert McLoughlin, Royal Garrison Artillery who enlisted in 1911 and was from Dublin. His service record is available and the dates would match up. The interesting part is that there is a letter from his mother to his CO in 1916 stating that his father had been shot by the military on 27 April 1916 and asking for her son’s discharge.
1916 Apr 27 His father shot by British troops
1917 Feb 24 Married in Dublin
Working with MI5 for a brief period
