FennEnglish From a name for someone who dwelt near a marsh, from Old English fenn meaning "fen, swamp, bog".
FenwickEnglish From an English place name, derived from Old English fenn "fen, swamp, bog" and wic "village, town".
Van der VeenDutch Means "from the swamp", from Dutch veen meaning "fen, swamp, peat". It originally indicated a person who resided in a peat district or fen colony.