| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1841 | Silhouette | French | "shadow outline"... The name Silhouette is a girl's name meaning "shadow outline". Étienne de Silhouette (1709–67), French author and politician, gave his name to this portraiture technique – although, strangely, no one knows why. | F | |
| 1842 | Silvestre | French | Trees; sylvan. | M | |
| 1843 | Simone | French | Heard. | F | |
| 1844 | Sinclair | French | St. Clair. | M | |
| 1845 | Sinclaire | French | St. Clair. | M | |
| 1846 | Sinjin | French | St. John. | M | |
| 1847 | Slainie | French | Health. | F | |
| 1848 | Slania | French | Health. | F | |
| 1849 | Slanie | French | Health. | F | |
| 1850 | Solaina | French | Dignified. | F | |
| 1851 | Solaine | French | Dignified. | F | |
| 1852 | Solange | French | Dignified. | F | |
| 1853 | Somer | French | Bom in summer. | M | |
| 1854 | Somerville | French | From the summer estate. | M | |
| 1855 | Sorel | French | Reddish brown hair. | M | |
| 1856 | Soren | French | Reddish brown hair. | M | |
| 1857 | Sorrell | French | Reddish brown hair. | M | |
| 1858 | Stefania | French | Crowned in victory. | F | |
| 1859 | Stella | French | Diminutive of Estella: Derived from the Old French form of the Latin 'stella' meaning star. Famous bearer: The heroine of Charles Dickens' novel 'Great Expectations'. | F | |
| 1860 | Stephan | French | Crown; wreath. Variant of Stephen. | M | |