Submitted names are contributed by users of this website. Check marks
indicate the level to which a name has been verified.
Type Surname (from given name)
From the Welsh personal name
Gutyn,
Guto, a pet form of
Gruffydd, with the redundant addition of English patronymic -
s.
Type Surname (from nickname)
Possibly a patronymic from a byname from Welsh cethin "dusky", "swarthy".