1894 Aug 2. Born Dublin
1901 census at Lr. Gardiner Street ,North Dock, Dublin
1911 Census at Pembroke Rd, Dublin
1914 Jun 17 He leaves UK for Australia. He is a Farm Student
1916 Jan 25, Enlisted in AIF . Mother, Mrs M O'Sullivan, 56 Pembroke Road, Dublin, Ireland
1916 Apr 13. Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic
1917 Jul 11. MM Gazetted. He is in Australian Imp Force. 'During the attack on the HINDENBURG LINE before REINCOURT on 3rd May Private O'SULLIVAN after mortars had taken up positions in enemy first line, made several trips to the rear under heavy shell fire to guide reinforcements to mortars. His coolness and devotion to duty in guiding parties was most praiseworthy.' Source: 'Commonwealth Gazette' No. 189
1918 Jun 22. Commissioned 2nd Lt
1919 Aug 1. Promoted Lt
1919 Nov 8 Discharged
1921 Feb 8. Joined the ADRIC with service no 1638. Posted to O Coy
1921 Feb 13. Posted to N Coy
Fined £3-3-0 by Coy Commander
1922 Jan 14 Discharged on demobilisation of ADRIC
1922 Feb Joined Ulster Specials
1922 Mar 9. Const Dudley L. O`Sullivan , aged 27 Attacked and killed while out walking. No it was Tobias O'Sullivan
1926 Apr Left Ulster Specials
1926 Aug 13. Leaves UK for Shanghai, China. He is a Police Officer.
1926 Oct. He joins the Shanghai Fire Brigade
1928 Apr 9. Died in Shanghai
