| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1821 | Searlait | French | Tiny and womanly. | F | |
| 1822 | Searlas | French | Manly. | M | |
| 1823 | Searle | French | Manly. | M | |
| 1824 | Searlus | French | Manly. | M | |
| 1825 | Sebastien | French | Revered. | M | |
| 1826 | Seignour | French | Lord of the manor. | M | |
| 1827 | Selena | French | Variant of Celine: French form of the Latin 'caelum' meaning sky or heaven. Also a variant of Celia. | F | |
| 1828 | Selina | French | Variant of Celine: French form of the Latin 'caelum' meaning sky or heaven. Also a variant of Celia or Selena. | F | |
| 1829 | Senet | French | Wise. | M | |
| 1830 | Senior | French | Lord of the manor. | M | |
| 1831 | Sennet | French | Wise. | M | |
| 1832 | Severin | French | Strict; restrained. A saint's name. | M | |
| 1833 | Sevrin | French | Strict; restrained. A saint's name. | M | |
| 1834 | Seymour | French | From St. Maur (French place name). | M | |
| 1835 | Sibyla | French | Prophetess. | F | |
| 1836 | Sid | French | Diminutive of Sidney: From Saint-Denis (place name). | M | |
| 1837 | Sidney | French | From Saint-Denis (place name). This name has recently become popular for girls as well as boys. Famous Bearer: actor Sidney Poitier. | M | |
| 1838 | Sidonia | French | Follower of Saint Denys. | F | |
| 1839 | Sidonie | French | Follower of Saint Denys. | F | |
| 1840 | Silana | French | Dignified. | F | |