| Name | Gender | Origin |
|---|
| Scott | Boy | English, Indian, Scottish |
| Scotti | Girl | Scottish |
| Scottie | Boy | English, Indian, Scottish |
| Scotty | Boy | English, Indian, Scottish |
| Seaghdh | Boy | Scottish |
| Seaghdha | Boy | Scottish |
| Senga | Girl | Scottish |
| Seoc | Boy | Scottish |
| Seonag | Girl | Scottish |
| Seonaid | Girl | Scottish |
| Seoras | Boy | Scottish |
| Seosaidh | Boy | Scottish |
| Seumas | Boy | Scottish |
| Shaw | Boy | English, Indian, Scottish |
| Shawe | Boy | Scottish |
| Sheena | Girl | English, Hebrew, Indian, Scottish |
| Sheumais | Boy | Scottish |
| Shug | Boy | Scottish |
| Sileas | Girl | Scottish |
| Sim | Boy | English, Indian, Scottish |
| Sima | Girl | Indian, Persian (Iranian), Scottish |
| Simidh | Boy | Scottish |
| Sinclair | Boy | English, French, Indian, Scottish |
| Sineag | Girl | Scottish |
| Sioltach | Boy | Scottish |
| Slaine | Girl | Scottish |
| Sloan | Unisex | English, Indian, Scottish |
| Somerled | Girl | Scottish |
| Steafan | Boy | Scottish |
| Steaphan | Boy | Scottish |
| Steenie | Boy | Scottish |
| Stew | Boy | English, Indian, Scottish |
| Stewart | Boy | English, Indian, Scottish |
| Struana | Girl | Scottish |
| Stuart | Boy | English, Indian, Scottish |
| Suibhne | Girl | Scottish |
| Sulwen | Girl | Scottish |
| Summerlad | Boy | Scottish |
| Tadg | Boy | Scottish |
| Tadhg | Boy | Scottish |
| Taffy | Unisex | English, Indian, Scottish, Welsh |
| Tam | Boy | Scottish |
| Tamas | Boy | Hebrew, Hungarian, Indian, Lithuanian, Norwegian, Scottish, Spanish |
| Tamhas | Boy | Scottish |
| Tamnais | Boy | Scottish |
| Tara | Unisex | English, Indian, Persian (Iranian), Sanskrit, Scottish |
| Tasgall | Unisex | Scottish |
| Taveon | Boy | Scottish |
| Tavey | Boy | Scottish |
| Tavia | Girl | Scottish |
| Tavin | Boy | French, German, Scottish |
| Tavio | Boy | Scottish, Spanish |
| Tavion | Boy | Scottish |
| Tavis | Boy | Scottish |
| Tavish | Boy | Indian, Scottish |
| Tavon | Boy | Scottish |
| Teagan | Unisex | English, Indian, Scottish |
| Tearlach | Boy | French, Scottish |
| Tearlag | Girl | Scottish |
| Teasag | Girl | Scottish |
| Teva | Girl | Scottish |
| Tevin | Boy | Scottish |