1894 Jun 6. born Dublin from RIC roll. Therefore our man is Joseph Harold (b 1894 in Dublin, Munsters, commissioned 25th September, 1915, Munsters, resigned commission 29 Oct 1916).
1901 census I cannot find them
1911 census at 6 Sandford Terrace, Dublin
1915 Sep 25. commissioned Munsters
1916 Oct 29. resigned commission . He was still a 2nd Lt on probation
1920 Dec 17. Joined ADRIC with service no 1276 . Posted to L Coy. Joined in Ireland
Fined £4 by Coy Commander
1921 May 24. Permitted to resign from ADRIC by Commandant
1926 Oct 29. A drunk attacks his car
1931 Nov 20 A garage owner loses a law suit against Beatty
1933 Dec 1. Larceny charge
1934 Bankruptcy
1939 Census at 274 Worple Road , Wimbledon . Living with wife Gladys Nellie E Beatty. He is a Builder (Retired Now out of Business)
1964 Died Surrey