| Name | Meaning | Gender | Origin |
|---|
| Slate | | Male | |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Male | |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Male | |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Male | |
| Snowflake | Single flake or crystal of snow. | Unisex | |
| So | | Unisex | |
| Stain | | Unisex | Hebrew |
| Stanley | Lives by the stony grove
| Male | English |
| Steel | Strong metal alloy made of iron and carbon. Hard unflinching character. | Male | Word |
| Steele | | Unisex | |
| Steinway | | Unisex | Hebrew |
| Stella | a star | Female | Latin |
| Stella | a star | Female | Latin |
| Stennis | | Unisex | Hebrew |
| Stephanie | garland, crown | Female | Greek |
| Sterling | British money or coin. A type of silver. Of good character. genuine, valued | Male | English |
| Stonewall | | Unisex | Hebrew |
| Stoney | Stone-Lie | Unisex | Greek |
| Strawberry | | Female | |
| Sulfur | | Unisex | Hebrew |
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |
| Susan | Lily Diminutive of Susannah also used as an independent name. 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 | Hebrew |
| Sylvester | A cartoon cat that tried to eat the bird character Tweety. He was a black and white cat.
| Male | Latin |
| Taj | crown | Male | Hindi |
| Talia | Dew of heaven
| Female | Hebrew |