Last name: CUSACK

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All you have to know about the last name CUSACK

Last name frequency

CUSACK : This last name is indexed 35,838 times on Geneanet!

Origin of last name

CUSACK : Irish (of Norman origin): habitational name from Cussac in Guienne France named with the Gallo-Roman personal name Cūcius or Cussius + the locative suffix -acum. The surname died out in England but is common in Ireland where it was imported at the time of the Anglo-Norman invasion in the 12th century. It has been Gaelicized as de Cíosóg.

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