Captain Rory Chambers O'Conor, (23 September, 1898 – 23 December, 1941) served in the Royal Navy.
O'Conor's father was a doctor, who was working in America at the time he joined the Training Establishment in September 1911. Upon the outbreak of war, he was made a Midshipman, dated 2 August, 1914.
O'Conor was promoted to the rank of Lieutenant on 31 August, 1919, which was later adjusted to 15 April, 1919.
O'Conor was promoted to the rank of Lieutenant-Commander on 15 April, 1927.
O'Conor was promoted to the rank of Commander on 31 December, 1931.
O'Conor was executive officer of H.M.S. Hood from 1933 to 1936.
O'Conor was promoted to the rank of Captain on 30 June, 1936. He was killed at age 43 in the loss of his command, the light cruiser Neptune on 19 December, 1941. His service record indicates his date of death may have been taken as 23 December.