The eighth son of S Field, a country gentleman of Kent, and was educated at the London Hospital. After qualifying he began practice in Bayswater as partner of Messrs Innis and Phillips. Afterwards he practised alone, first in Stanhope Terrace, then in Sussex Gardens, then at 31 Lower Seymour Street, W, and finally at 30 Westbourne Park Terrace, Harrow Road, W. He was at one time Surgeon to the Paddington Dispensary and to the Cripples Nursery, Old Quebec Street. He was also a Vice-President of the Harveian Society. He was a highly successful and popular practitioner, kind-hearted and genial. Retiring entirely from practice in 1877, he suffered from occasional attacks of angina and from gout. He died at the residence of his son-in-law at Southall on April 21st, 1884. A widow, three daughters, and two sons survived him, the eldest son, George P Field, MRCS, being then Dean of St Mary's Hospital Medical School and Aural Surgeon to the Hospital. George P Field was President of the Harveian Society at the time of his father's death, and as such received the condolences of the Society at the meeting on May 1st, 1884, O A Field having been the senior member of the Society.