Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
DOXSEY
As described in historical dictionaries
Patronymica Britannica (1860)
DOXEY. DOXSEY. Corruptions of Do BocJiCsey, H.R. Dockesej' may prolably be insula anatuvi, the island of ducks.