Career
Cornwallis made his first-class debut for the Royal Navy against the Army at Lord"s in 1920. Cornwallis would play three matches for the Royal Navy, the last of which came against the Army, also at Lord"s in 1926. In his only first-class match for the club Cornwallis was absent in both Hampshire"s innings.
lieutenant is likely that Oswald never actually took to the field for Hampshire.
Cornwallis died in Froxfield, Hampshire on 28 January 1974.