Still in limbo here, but hot in Germany and moving throughout Europe.Brad and Angelina used it for their twin son Knox‘s middle name.
Nicknames & Variations:
Leontes, Leonizio, Liutas, Leoni, Leonirez, Lionisio, Leonon, Leonas, Lioni, Lionni, Leontrae, Leons, Leondris, Leonek, Leontios, Leonetti, Leonidas
International Variations:
Léonce, Léon (French) Leo (German) Leonzio, Leone (Italian) Leonid(Russian) Leonti, Leos (Slavic) Leoncio (Spanish) (nameberry.com)
Derived from Greek λεων (leon) meaning “lion”. This name was borne by a 6th-century BC king of Sparta. During the Christian era it was merged with the Latin cognateLeo, with the result that the two forms are used somewhat interchangeably across European languages. In England during the Middle Ages this was a common name among Jews. A famous bearer was Leon Trotsky (1879-1940), a Russian Communist revolutionary. (behindthename.com)