| Name | Meaning | Gender | Origin |
|---|
| Stephanie | garland, crown | Female | Greek |
| Sundance | | Unisex | Hebrew |
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |
| Suzette | Lily. Variant of Hebrew Susannah. In the apocryphal Book of Tobit Susannah courageously defended herself against wrongful accusation. White lilies grew in the Biblical city of Susa in Persia.
| Female | |
| Tate | to be cheerful; windy, a great talker | Male | English |
| Tavin | A nickname for Gustav royal staff.
| Male | |
| Trixie | she who brings happiness | Female | Latin |
| Trixie | she who brings happiness | Female | Latin |
| Tweetie | | Unisex | |
| Ynez | pure, virginal | Female | Spanish |
| Yuki | Means snow | Female | Japanese |
| Yvette | Archer: Feminine of Yves.
| Female | |
| Zara | Arabic for dawn | Female | Hebrew |
| Zelig | the blessed one | Male | Yiddish |