| Baby Name | Meaning | Gender |
|---|
| Sigmund | Victory: Protection. Austrian Psychologist Sigmund Freud. | Male |
| Sihtric | Name Of A King | Male |
| Silas | Variant Of Sylvanus From A Greek Name Meaning Forest: Woods. In The Bible Silas Was A Missionary Companion Of Paul And Timothy. | Male |
| Sile | Youthful | Female |
| Simeon | Sign | Male |
| Simona | Listening Intently | Female |
| Simone | Heard; Good Listener. | Female |
| Sinead | Praise | Female |
| Siobhan | Praise | Female |
| Sirena | Named For The Sirens | Female |
| Smedley | From The Flat Meadow | Male |
| Socrates | Name Of A Philosopher | Male |
| Sol | Peace. Variant Of Shalom. In The Bible Solomon (Son Of David And Bathsheba) Succeeded His Father As King Of Israel And Wrote Proverbs: Ecclesiastes And The Song Of Solomon. | Male |
| Solomon | Peaceful | Male |
| Somerset | From The Summer Settlers | Male |
| Somerville | From The Summer Estate | Male |
| Somhairle | Asked Of God | Male |
| Sonya | Loud. | Female |
| Spark | Gallant | Male |
| Stanton | Stony Meadow. Surname. | Male |
| Strang | Strong | Male |
| Strong | Powerful | Male |
| Stuart | Steward | Male |
| Susannah | Graceful Lily In The Apocryphal Book Of Tobit Susannah Courageously Defended Herself Against Wrongful Accusation. White Lilies Grew In The Biblical City Of Susa In Persia. | Female |
| Swain | Knight's Attendant | Male |