Dugan Family History
Dugan Name Meaning
Irish: shortened Anglicized form of Gaelic Ó Dubhagáin ‘descendant of Dubhagán’ a double diminutive of dubh meaning ‘small dark one’. Irish: shortened Anglicized form of Gaelic Ó Duibhginn ‘descendant of Duibhgeann’ a byname from dubh ‘black dark’ + ceann ‘head chief’. Croatian: nickname for a tall person derived from dug ‘long’. It may also be variant of Dogan of Turkish origin meaning ‘Peregrine falcon’.
Source: Dictionary of American Family Names 2nd edition, 2022