Last name: HEFFERNAN

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All you have to know about the last name HEFFERNAN

Last name frequency

HEFFERNAN : This last name is indexed 33,928 times on Geneanet!

Origin of last name

HEFFERNAN : Irish: Anglicized form of Gaelic Ó hIfearnáin ‘descendant of Ifearnán’ a personal name possibly from a diminutive of ifreann ‘hell’ and thus meaning ‘demon’. The surname has sometimes been shortened to Hernon.

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