| Name | Meaning | Gender | Origin |
|---|
| Polly | Bitter
| Female | English |
| Pounce | | Unisex | |
| Randi | Variant of Randall. Shield, wolf.
| Female | Feminine |
| Riley | courageous | Female | Irish |
| Ruffian | | Unisex | Hebrew |
| Rumble | | Unisex | |
| Sage | Aromatic grayish-green herb. Wise or experienced person. | Female | |
| Scarlett | Red | Female | English |
| Scatter | | Unisex | Hebrew |
| Scottie | | Unisex | |
| Skeeter | | Unisex | |
| Skittle | | Unisex | |
| Sneakers | | Unisex | |
| Sniper | A skilled shooter who spots targets from a concealed place. | Unisex | |
| Spanky | | Unisex | |
| Sparrow | a bird | Female | Nature |
| Speedo | | Unisex | |
| Speedy | Rapid motion, swift. | Unisex | |
| Spirit | Part of the human being associated with the mind. Vigorous or animated state - spirited. Also distilled alcohol. | Female | Word |
| Sticky | | Unisex | Hebrew |
| Tally | gentle dew from heaven | Female | English |
| Tammy | Abbreviation of Thomasina and Tamara.
| Female | English |
| Tara | A hill where the kings met
| Female | Irish |
| Tessa | Abbreviation of Teresa which is a popular saint's name of uncertain meaning.
| Female | English |
| Thumper | To walk with heavy steps | Unisex | |