Thom's Irish Who's Who/O'Neill, Colonel William Henry Slingsby

O'NEILL, Colonel William Henry Slingsby, D.S.O. (1900), B.A. (Cantab.), J.P. Co. Wicklow; late Col. 3rd Batt. Royal Dublin Fusiliers; served in S. African War, 1899-1902: b. 28th May, 1854; son of Rev. Henry O'Neill, of Clonmore, Co. Carlow; m. 1889, Selina, dau. of Hugh Henry, of Firmount, Co. Kildare, and has issue one son. Res.: Ballyfree, Glenealy, Co. Wicklow; Kildare Street Club, Dublin.