Not enough information. Only in Alphabetic Register, not on RIC or Numeric Registers. The Paymasters were not active ADRIC and should be ignored .
1880 Oct 5. Born Westmeath. Son of Father: Owen Dullaghan Mother: Bridget Lennon Dullaghan
1901 census at 47 Main Street (Kilbeggan, Westmeath
1901 May 16. Enlisted in RIC
1915 Sep 8 Married
1921 May 1. Accepted as a Paymaster and posted to D Coy. Posted from RIC as a temp Head Constable
1922 Apr 3 Disbanded from RIC