In English, name Aylwin means – Variant of Alvin: Wise friend. From the Old English Aetheiwine, and also Aefwine, both meaning noble friend. Various forms of Alvin in use after the Norman Conquest became surnames, and also first names.. Other origins for name Aylwin include – English, German, German. Name Aylwin is most often used as a boy name or male name.