| Name | Meaning | Gender | Origin |
|---|
| Sid | | Unisex | |
| Skinner | | Unisex | Hebrew |
| Slim | Slender in proportion to height. | Unisex | |
| Squirt | Slang for a small person | Unisex | |
| Stinky | | Unisex | |
| Stretch | To extend to full length. | Unisex | |
| Sulley | | Unisex | |
| Syndrome | after the character in the movie The Incredibles | Unisex | |
| Timmy | From Timothy - Honoring God | Unisex | |
| Toy | Toy, Plaything | Unisex | English |
| Trixie | she who brings happiness | Female | Latin |
| Trixie | she who brings happiness | Female | Latin |
| Tuck | To make folds in, or to put in a snug spot. | Unisex | |
| Violet | purple | Female | Latin |
| Walle | | Unisex | |
| Wee | | Unisex | |
| Witch | | Unisex | Hebrew |