English, Scottish, and German: patronymic from Peter.
Americanized form of similar surnames of non-English origin (such
as Petersen, or Swedish Pettersson).
In VT, there
are Petersons who were originally called by the French name
Beausoleil; in some documentation this was translated fairly
literally as Prettysun, which was then assimilated to Peterson.
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
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