Probably born at Church Hill House, Ballynahaglish, Kerry.
Served in the Royal Marines.
Service record: Date of first commission (Lieutenant): 24 Jun 1868 In 1875 he was a Lieutenant of Marines on the armour plated ship 'Resistance' in the Channel Squadron since 16 Jul 1873. Captain: 1 Jul 1881 Major: 24 Jun 1889 Date as subaltern Major in Navy (Lieut-Col in army): 17 Apr 1890 Date of retirement on full pay (hp): 15 Oct 1895 (ret: 27 May 1901)
Sources: Army List Oct 1902 Navy List 1875, 1894
Probate: Denny, Richard of Cot, Barnstaple, Devonshire retired lieutenant colonel R.M.L.I died 6 July 1915. Probate London 30 July to Mary Denny widow Effects £1164 17s 1d.