Cosburn Family History
Cosburn Surname Meaning
From Colesborne (Gloucs) or Little Colesborne in Withington (Gloucs), both of which are recorded as Colesborne in 1086.
The place-name derives from an Old English personal name *Col (genitive *Coles) + Old English burna ‘spring stream’.
Source: The Concise Oxford Dictionary of Family Names in Britain, 2021
