Fassnidge Family History
Fassnidge Name Meaning
from the lost place Fastendich which lay in or near West Wycombe (Bucks) recorded as Fastindige in 1197 Fastendich in 1269 and Fastyngdiches in 1477. The place-name derives from Old English fæsten ‘stronghold’ + dīc ‘ditch’.
Source: The Concise Oxford Dictionary of Family Names in Britain, 2021