Daddy Family History
Daddy Name Meaning
from an unrecorded Middle English personal name *Dad(d)y perhaps a rhyming pet form of Ad(d)y a pet form of Adam. See Addy Adey Dadd and compare Daddow .perhaps from an unrecorded Middle English *daddy a familiar term for ‘father’ but there is no evidence for this word before the 16th century (
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016