Elwyn
Elwyn meaning: 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.
Elwyn origin: English
Elwyn gender: Male

Elwyna
Elwyna meaning: Friend of the elves.
Elwyna origin: Anglo-Saxon
Elwyna gender: Female