After graduating, de Crespigny became a
Church of England priest and was
perpetual curate at Emmanuel Church,
Camberwell, from 1850 to 1858. He was then appointed
vicar of
Saint John the Baptist Church in
Hampton Wick from 1858 until his death. At the age of 40, de Crespigny was elected Clerk of the
Hampton Wick Local Board shortly after its
creation in 1863. He had been considered for the position of Chairman until Sir Thomas James Nelson JP, Solicitor to the Board, elected at his place Philip May, Proprietor of Houses, to avoid a conflict of interest with the Parish. True to his passion for
cricket, de Crespigny founded and presided the
Hampton Wick Royal Cricket Club in
Bushy Park in 1863. Incidentally, he was a supporter and
chaplain of the local lodge of
Freemasons and the
Kingston Division of the Fifth Surrey Rifle Volunteers. ==Personal life==