Latinized form of the Greek name Ἅγνη (Hagne), derived from Greek ἁγνός (hagnos) meaning "chaste". Saint Agnes was a virgin martyred during the persecutions of the Roman emperor Diocletian. The name became associated with Latin agnus "lamb", resulting in the saint's frequent depiction with a lamb by her side. Due to her renown, the name became common in Christian Europe.As an English name it was highly popular from the Middle Ages until the 17th century. It was revived in the 19th century and wa...