I appears that this is the man, but I cannot be absolutely certain, his name makes it difficult.
1896 Oct/Dec. Born (ADRIC roll gives age 24). If he just "Robert" then only one man fits this in Tyrone (there is a "Robert William" of same age)
1901 census at Coolkill, Benburb, Tyrone
1911 census at Coolkill, Benburb, Tyrone
1913 Nov 12. He enlists in RGA Antrim Special Reserve. The local RIC sergeant gives him a reference. "He is the son of most respected parents. large farmers. He has been a bit wild, but there has never been anything against his character"
1913 Dec 1. Enters Military Hospital Belfast with Gonorrhoea
1913 Dec 19 Discharged from hospital
1914 Jan 19 Purchases his discharge for £3.
1915 Nov 19. Landed in France
1917 May 30 . Commissioned 2nd Lt in R Irish Rifles
1921 Apr 4. Applies for medals from Co Tyrone
1921 Apr 25. Joined ADRIC with service no 1914. Posted L Coy
1921 Oct 6. Admitted Stevens Hospital
1921 Dec 21. Dismissed the Force