Oswald Ross Swanzy was born in Castleblayney, Co. Monaghan on the 15th July1881; the son of James Swanzy (Solicitor) and Elizabeth Coudy Ross. He had family connections in Belfast, Dublin, Antrim and Monaghan.
He joined the RIC on the 28th February 1905 with register number 61367; appointed 3rd Class District Inspector 6th May 1905 and allocated to Cavan (Swanlinbar) on the 15th Sep 1905.
Promoted to 2nd Class D.I. 1 June 1907, 1st Class D.I. 1 Oct 1917 and also served in Limerick (Rathkeale), Carlow Town, and Cork City.
RIC 61367 DI 5/6/05