Joan — Medieval English form of Johanne, an Old French form of Iohanna (see Joanna). This was the usual English feminine form of John in the Middle Ages, but it was surpassed in popularity by Jane in the 17th century.
Saintly namesake: Joan of Arc was a French heroine and military leader who led French forces during the Hundred Years' War and was later canonized as a saint. She is remembered for her courage and faith. (May 30 · 15th century)
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