WyattmEnglish From an English surname that was derived from the medieval given name Wyard or Wyot, from the Old English name Wigheard. Wyatt Earp (1848-1929) was an American lawman and gunfighter involved in the famous shootout at the OK Corral.
WystanmEnglish (Rare) From the Old English name Wigstan, composed of the elements wig "battle" and stan "stone". This was the name of a 9th-century Anglo-Saxon saint. It became rare after the Norman Conquest, and in modern times it is chiefly known as the first name of the British poet W. H. Auden (1907-1973).
YngvimNorse Mythology Possibly an Old Norse cognate of Ing. This was an alternate name of the god Freyr, who as Yngvi-Freyr was regarded as the ancestor of the Swedish royal family.
YvelisefFrench Feminine form of Yves (or an elaboration using Élise). It was (first?) borne by the title character in the Italian novel Yvelise (1923) by Guido da Verona. It later appeared in the photonovel Yvelise devant l'amour published in the French magazine Nous Deux in 1950.
YvesmFrench Medieval French form of Ivo 1. This was the name of two French saints: an 11th-century bishop of Chartres and a 13th-century parish priest and lawyer, also known as Ivo of Kermartin, the patron saint of Brittany.
Zelda 2fEnglish Short form of Griselda. This is the name of a princess in the Legend of Zelda video games, debuting in 1986 and called ゼルダ (Zeruda) in Japanese. According to creator Shigeru Miyamoto she was named after the American socialite Zelda Fitzgerald (1900-1948).
ZéliefFrench Short form of Azélie. This is another name of Saint Marie-Azélie Guérin (1831-1877).