| Name | Meaning | Gender | Origin |
|---|
| Silver | White
| Male | English |
| Sky | The expanse of air over the Earth | Female | Nature |
| Skye | sky, sheltering | Female | Scottish |
| Slate | | Male | |
| Sloth | | Unisex | Hebrew |
| Smoke | | Unisex | |
| Smoke | | Unisex | |
| Snow | Frozen crystals that fall in soft, white flakes | Female | English |
| Snowflake | Single flake or crystal of snow. | Unisex | |
| Solstice | Sun Exposure | Female | Greek |
| Sorrel | reddish brown | Male | Botanical |
| Sparrow | a bird | Female | Nature |
| Spring | spring season | Female | Word |
| Sprinkles | | Unisex | |
| Squirrel | | Unisex | |
| Star | A celestial body that emits light. A famous performer. | Female | Word |
| Star | A celestial body that emits light. A famous performer. | Female | Word |
| Starr | Star | Female | English |
| Steel | Strong metal alloy made of iron and carbon. Hard unflinching character. | Male | Word |
| Stella | a star | Female | Latin |
| Stella | a star | Female | Latin |
| Sterling | British money or coin. A type of silver. Of good character. genuine, valued | Male | English |
| Storm | Storm
| Male | Word |
| Stormy | | Female | |
| Summer | summer season | Female | Word |