| Name | Meaning | Gender | Origin |
|---|
| Sigwalt | Victorious Ruler | Male | German |
| Silana | Dignified | Female | French |
| Silas | Variant Of Sylvanus From A Greek Name Meaning Forest: Woods. In The Bible Silas Was A Missionary Companion Of Paul And Timothy. | Male | English |
| Sile | Youthful | Female | Irish |
| Sileas | Youthful | Female | Scottish |
| Silny | Strong | Male | Czechoslovakian |
| Silsby | From Sill's Farm | Male | English |
| Silver | White | Female | Anglo |
| Silverio | Variant Of Sylvanus Referring To The Mythological Greek God Of Trees. | Male | Spanish |
| Silvester | Trees: Sylvan. See Also Sylvester And Silvano. | Male | German |
| Silvestre | Trees: Sylvan. | Male | French |
| Silvia | From The Woods | Female | Romanian |
| Silvino | Variant Of Sylvanus Referring To The Mythological Greek God Of Trees. | Male | Spanish |
| Silviu | Variant Of Silvius. Forest Or Woods. | Male | Romanian |
| Sinclair | St. Clair. | Male | English |
| Sinclaire | St. Clair. | Male | English |
| Sinley | Friendly | Male | Anglo |
| Siraj-Al-Leil | Night Lamp | Male | Arabic |
| Sitala | Miwok Name Meaning " Of Good Memory." | Female | Native American |
| Siwili | Tail Of The Fox | Male | Native American |
| Skelly | Storyteller | Male | Gaelic |
| Skelton | From The Estate On The Ledge | Male | English |
| Skyelar | Phonetic Spelling Of Schuyler. | Male | English |
| Skylar | Phonetic Spelling Of Schuyler. | Male | English |
| Skyler | Phonetic Spelling Of Schuyler. | Male | English |
| Skyller | Sky. Variant Of Schuyler Meaning Scholar. | Female | American |
| Skylor | Phonetic Spelling Of Schuyler. | Male | English |
| Slade | From The Valley | Male | English |
| Slaed | From The Valley | Male | English |
| Slaine | Good Health | Female | Irish |