| Name | Meaning | Gender | Origin |
| Simon | Listening | Male | Hebrew |
| Skye | Cloud | Male | Norse |
| Skylar | Guarded | Female | Dutch |
| Smokey | A grayish blue colour. Slang for highway patrol officer | Unisex | English |
| Snickers | A brand of candy bar. | Unisex | English |
| Sooty | Covered with soot | Unisex | English |
| Spider | An eight legged insect | Unisex | English |
| Spike | A long, thick sharp-pointed piece of wood or metal | Male | English |
| Spirit | Part of the human being associated with the mind. Vigorous or animated state - spirited. Also distilled alcohol. | Unisex | English |
| Spooky | | Unisex | Hebrew |
| Stephen | Crown | Male | Greek |
| Storm | Violent weather | Female | English |
| Stormy | Violent weather | Unisex | English |
| Styx | Myth Name (A River Of The Underworld) | Unisex | English |
| Sweet | | Unisex | Hebrew |
| Tabatha | Gazelle | Female | Aramaic |
| Tabitha | Gazelle | Female | Aramaic |
| Taffy | Beloved | Female | Welsh |
| Talon | A claw | Male | English |
| Teagan | Little poet | Female | Gaelic |
| Tempest | Storm | Female | English |
| Thor | Thunder | Male | Norse |
| Thorne | Thorn bush | Male | English |
| Thunder | Stormy Tempered | Unisex | English |
| Thurston | Thor's stone, Thor's settlement | Male | English |
| Toffee | A hard brown, chewy candy | Unisex | English |
| Tootsie | A girl or young woman. | Unisex | English |
| Trixie | Voyager through life | Female | Latin |
| Trouble | A cause of disturbance or difficulty. | Unisex | English |
| Twila | Woven with a double thread | Female | American English |