Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
FOSDICK
As described in historical dictionaries
Patronymica Britannica (1860)
FOSDICK. FORSDmE. Fosdyke, a parish in Lincolnshire. John de Focedik occurs in that shire temp. Edw. I. H.R.