Born at Morrita, South Australia on 3 March 1895, the eldest son of Harry Pomroy of Wallaroo Mines, South Australia. He graduated in medicine from Adelaide University in 1918, and was immediately commissioned in the AAMC of the AIF, with which he served as a captain till 1919. He practised privately at Adelaide for a few years and then went to Europe, studying in London and Vienna, and taking the Fellowship though not already a Member in 1925. He was appointed superintendent of the Poplar Hospital for Accidents, but returned to Adelaide in 1927. There he served as surgeon to the Adelaide Children's Hospital and to the Royal Adelaide Hospital. He also lectured in anatomy at Adelaide University. In 1936 he was appointed senior surgeon in the new orthopaedic block at the Royal Adelaide Hospital, and went to England to study in orthopaedic hospitals in London, Liverpool, and Manchester. While in England in 1936 he married Elizabeth Rowland of Oxford. They returned to Adelaide in 1937. He practised at 185 and later at 178 North Terrace, Adelaide, and lived at Fitzroy, South Australia. During the war of 1939-45 Pomroy served again in the AAMC, with the rank of lieutenant-colonel. He was consulting surgeon at the 109th Australian General Hospital at Port Darwin until 1942, when he went back to Adelaide, where he was in charge of the surgical section of the 101st Australian General Hospital. He died there on 10 March 1943, survived by his wife and a son aged four years. Pomroy's brother, Alan Browning Pomroy, RNVR, was killed at sea on 2 April 1943, while serving in the British fleet.