| Name | Meaning | Gender | Origin |
|---|
| Rosemary | the rosemary plant | Female | Latin |
| Sam | to hear | Male | English |
| Sandy | Abbreviation of Alexander defender of man.
| Male | Scottish |
| Seneca | people of the standing rock | Male | Latin |
| Sierra | Dark Feminine of Ciaran.
| Female | Spanish |
| Sky | The expanse of air over the Earth | Female | Nature |
| Skye | sky, sheltering | Female | Scottish |
| Snow | Frozen crystals that fall in soft, white flakes | Female | English |
| Snowdrop | | Male | |
| Somerset | From The Summer Settlers | Unisex | English |
| Sonny | A boy or young man. | Male | Nickname |
| Spring | spring season | Female | Word |
| Stan | after the South Park character Stan Marsh | Male | Short |
| Star | A celestial body that emits light. A famous performer. | Female | Word |
| Star | A celestial body that emits light. A famous performer. | Female | Word |
| Storm | Storm
| Male | Word |
| Stormie | | Unisex | |
| Stormy | | Female | |
| Summer | summer season | Female | Word |
| Sunny | Abounding in sunshine, cheerful | Male | Nickname |
| Sunshine | Rays from the sun. Cheerfulness | Female | Word |
| Tallulah | leaping water | Female | Irish |
| Tammy | Abbreviation of Thomasina and Tamara.
| Female | English |
| Tanya | Princess
| Female | Russian |
| Tara | A hill where the kings met
| Female | Irish |