Grisenthwaite Family History
Grisenthwaite Surname Meaning
From a lost or unidentified place probably in Cumb. It is not possible to be certain of the etymology of the place-name without a greater number of early forms.
It may derive from Old English gærsen ‘grassy’ or gærsing ‘grazing pasture’ + Old Scandinavian þveit ‘clearing meadow’.
Source: The Concise Oxford Dictionary of Family Names in Britain, 2021
