dimpsey M

irish
DIOMASACH > Ó DíOMASAIGH

This name is an Anglicized form of the Irish surname “Ó Diomasaigh”, meaning “descendant of Díomasaigh”; the latter stems from the Irish adjective “díomasach”, meaning “proud”. The family name is originated in the kingdom of “Uí Failghe”. The O'dempsey family derives their name from Diummasach, an 11th-century Uí Failge prince of the Máel Ugra clan, aka Cenél Maoilughra.

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