| Name | Meaning | Gender | Origin |
|---|
| Rowena | White haired
| Female | Welsh |
| Roy | regal one, Red haired | Male | |
| Royal | kingly, royal | Male | |
| Sandy | Abbreviation of Alexander defender of man.
| Male | Scottish |
| Scotch | Scotch whiskey. | Unisex | |
| Scott | from Scotland | Male | English |
| Scottie | | Unisex | |
| Scotty | From Scotland: a Gael. Diminutive of Scott.
| Female | English |
| Sheena | God's gift
| Female | Anglicization |
| Sima | | Unisex | |
| Simone | one who hears | Female | |
| Sinclair | From Saint Clair sur Elle
| Male | Scottish |
| Sine | God Is Gracious | Unisex | Irish |
| Skye | sky, sheltering | Female | Scottish |
| Sorcha | bright, shining | Female | Irish |
| Stella | a star | Female | Latin |
| Stella | a star | Female | Latin |
| Stuart | Bailiff
| Male | Scottish |
| 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 |
| Sutherland | From Sutherland
| Male | |
| Tam | twin | Male | Scottish |
| Tamnais | Twin
| Male | |
| Tamsin | twin | Female | English |
| Tara | A hill where the kings met
| Female | Irish |
| Tartan | | Unisex | |