1880 Born (from Irish GRO). It is impossible to say where he was born from the information I have, but coincidently a William Thomas Wilson was born in Kilkenny, where this man died.
1919 Mar 1. Shot himself with a service rifle at the Military Barracks, Kilkenny. Aged 39 (from GRO entry)
Irish GRO ref for death cert. Vol 3. p 396. Not available online