The dempsey Surname
dempsey Name Meaning and History
Irish: Anglicized form of Gaelic Ó Díomasaigh
‘descendant of Díomasach’, a byname meaning ‘proud’,
‘haughty’, from díomas ‘pride’. The name was occasionally
Anglicized as Proudman (see Proud). Compare
McGimsey.
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
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