Farren is a unisex name of English, French, German and Irish origin. Meaning in English: Adventurous. Meaning in French: An Old French surname meaning pilferer or ferret. Meaning in German: An Old German name, from ‘fardi’ meaning journey and ‘nanthi’ meaning venture. Famous bearers include three Holy Roman emperors and several Spanish and Italian kings. Meaning in Irish: The land. Farren is a variant of Ferdinand. The name has 6 letters.