| Name | Meaning | Gender | Origin |
|---|
| Piper | Piper
| Female | English |
| Quin | Abbreviation of Joaquin.
| Male | |
| Raya | friend | Female | Hebrew |
| Red | A primary colour resembling the colour of blood | Male | Color |
| Reese | ardor | Female | Welsh |
| Ringo | apple, peace be with you | Male | English |
| Sable | A carnivorous mammal of Northern Europe with soft, dark fur. | Female | Animal |
| Sausage | Chopped meat stuffed into a prepared casing and cooked. | Unisex | |
| Scraps | | Male | |
| Shadow | A rough, dark image cast by an object blocking the sun's rays | Female | English |
| Speckles | | Unisex | Hebrew |
| Spice | Plant used to flavour food or beverages. | Unisex | |
| Spot | after Data's cat on Star Trek: The Next Generation | Male | |
| Spotty | Marked with spots | Unisex | |
| Stoney | Stone-Lie | Unisex | Greek |
| Streak | | Unisex | |
| Stripe | | Unisex | |
| Stripey | | Unisex | Hebrew |
| Sud | | Unisex | |
| Sudsaming | | Unisex | |
| Tabby | | Unisex | |
| Tabetha | | Unisex | |
| Tawny | A light brown colour | Female | English |
| Taz | | Male | |
| Tiger | A large, striped, carnivorous mammal from Asia. | Male | Animal |