Career
Born in Devonport, Devon, Vernon was a leading aircraftsman with the Royal Air Force and represented them at football. In February 1929, he joined Southampton of the Football League Second Division. Within days of being signed, he made his first-team debut when he took the place of the injured Willie Haines for the match at Oldham Athletic on 9 February 1929, which ended as a 3–1 defeat.
Vernon retained his place for the next four matches without scoring before being replaced by Archie Waterston.
His Southampton career ended shortly afterwards when he was posted by the R.A.F. to the Far East. On his return from active service, he joined of the Isthmian League, although Southampton retained his Football League registration.
Vernon"s club career ended at Leyton in the Athenian League. After leaving the R.A.F., Vernon joined the Metropolitan Police, for whom he played football until the start of the Second World War.