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Cognomen Ευτυχία (Eftychia , Eftichia , Ευτυχία ) , all around the world, is a common last name. The surname Ευτυχία is characteristic of Southern Europe, particularly Greece, where it is a common surname, and Italy, where it is a very rare surname. Likewise, Ευτυχία is the forename as well as the last name.
Γκόλια, Βλάχου, Ντασιου, Περρή, Δημοπούλου, Ιωαννίδου, Παπαδάκη, and Παπαδοπούλου