Cowsert Family History
Cowsert Surname Meaning
Possibly an altered form of English and Scottish Cowser. Alternatively perhaps an altered form of Flemish Cousaert: from the personal name Gossaert (see Gossard)
or alternatively a nickname for a flatterer or a tattler from Middle Dutch cosen ‘to chatter or flatter’.
Source: Dictionary of American Family Names 2nd edition, 2022
