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Cusack

cusack-crest.jpg    

 

Mac Isog, MacIosog

 

The name Cusack is originally derived from a place in Guienne in France and was first Anglicised as de Cussac, it was introduced into Ireland following the Norman invasion of 1172. Nowadays the name is common in Meath, Kildare Clare and Roscommon. There are also many Cusack families in Munster.