Alvin
Alvin meaning: Noble friend.
Alvin origin: English
Alvin gender: Male

Alvina
Alvina meaning: Wise friend. Friend of the elves. Feminine form of Alvin: 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.
Alvina origin: English
Alvina gender: Female

Alvinia
Alvinia meaning: White.
Alvinia origin: Latin
Alvinia gender: Female

Alvino
Alvino meaning: Variant of Alvin: Friend.
Alvino origin: German
Alvino gender: Male