English: habitational name either from Dorchester in Oxfordshire or
Dorchester, county seat of Dorset. Both are named with a Celtic name,
respectively Dorcic and Durnovaria, + Old English
ceaster ‘Roman fort or walled city’. dktent, KH.
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
23,660
Historical Documents & Family Trees with Dorchester
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