| Baby Name | Meaning | Gender |
|---|
| Sewall | Sea Powerful | Male |
| Seward | Guards The Coast | Male |
| Sewell | Sea Powerful | Male |
| Shad | Short Form Of The Biblical Shadrach: One Of Three Young Hebrew Men Who Survived Being Cast Into A Fiery Furnace. | Male |
| Shaddoc | Shad Fish | Male |
| Shaddock | Shad Fish | Male |
| Shan | Coral | Female |
| Shattuck | Shad-Fish | Male |
| Sheila | Irish Form Of Cecilia Blind | Female |
| Shiri | Tune | Female |
| Sid | Variant Of Sidney From St. Denis | Male |
| Sidney | From St. Denys | Male |
| Sirena | Named For The Sirens | Female |
| Sybil | Prophetess | Female |
| Tabitha | Gazelle | Female |
| Tama | Thunder | Female |
| Tarni | Salt Water | Female |
| Tempest | Turbulent: Stormy. | Female |
| Tempeste | Stormy | Female |
| Terence | Old Form Of The Roman Clan Name Terrance. | Male |
| Tethys | Myth Name (Wife Of Oceanus) | Female |
| Thalassa | From The Sea | Female |
| Thetis | Myth Name (Mother Of Achilles) | Female |
| Thuy | Friendly, Gentle; Pussy Willow; Water | Female |
| Tina | River | Female |