Starting with letter S
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 501 | Silius | Shakespearean | Antony and Cleopatra'. An officer in Ventidius's army. | M | |
| 502 | Silsby | English | From Sill's farm. | M | |
| 503 | Silvano | Latin | Variant of Sylvanus referring to the mythological Greek god of trees. A number of saints bore the name. | M | |
| 504 | Silvanus | Biblical | Who loves the forest. | M | |
| 505 | Silvanus | Latin | Of the forest. God of trees and forests. | M | |
| 506 | Silvester | English | Trees; sylvan. See also Sylvester and Silvano. | M | |
| 507 | Silvester | Latin | Of the woods; of the forest. | M | |
| 508 | Silvestre | French | Trees; sylvan. | M | |
| 509 | Sim | Greek | Diminutive of Simon: Snub-nosed. | M | |
| 510 | Simab | Muslim | Mercury. Quicksilver.. | M | |
| 511 | Simao | Hebrew | Obedient. | M | |
| 512 | Simeon | English | Variant of Simon meaning 'hear; listen.'. | M | |
| 513 | Simeon | Hebrew | Obedient; listening; little hyena. In the Bible, Simeon was the old man who recognized Jesus as the Messiah. | M | |
| 514 | Simon | Biblical | That hears, that obeys. | M | |
| 515 | Simon | English | Variant of a Hebrew name meaning 'hear; listen.' In the bible Simon was the name of two apostles including Simon Peter. | M | |
| 516 | Simon | Greek | Snub-nosed. Can also be a variant of a Hebrew name meaning 'hear; listen.' In the bible Simon was the name of two apostles including Simon Peter. | M | |
| 517 | Simon | Hebrew | Variant of Simeon: Obedient; listening; little hyena. | M | |
| 518 | Simple | Shakespearean | 'The Merry Wives of Windsor' Servant to Slender. | M | |
| 519 | Sinai | Hebrew | From the clay desert. | M | |
| 520 | Sinclair | English | St. Clair. | M | |