Look up Margaret in Wiktionary, the free dictionary. Margaret is a female first name, derived via French (Marguerite) and Latin (Margarita) from Greek Margarites, derived from the noun margaron meaning 'pearl'.The Greek is probably related to the Sanskrit मञ्जरी manjarī mañjarī 'meaning' pearl 'or cluster of.'. blossomsargaret has been an English name since the 11th century, and remained popular throughout the Middle Ages.