Dayman Family History
Dayman Name Meaning
from the Middle English personal name Dayman. It may be from an Old English *Dægmann perhaps a pet form of names in Dæg- ‘day’ or else a transferred use of the word in (ii) similar in usage to Old English Flotmann ‘sailor’ and Glīwmann ‘minstrel’. Alternatively it may be a pet form of the Middle English personal name Day to which the hypocoristic suffix -man has been added. Day is sometimes a short form of David but is also a 14th-century variant of Daw a rhyming pet form of Ralph; compare Gilbertus Dawman 1379 in
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016