gaelic names.meanings and their origins
| N A M E | O R I G I N | M E A N I N G | M / F |
| Siobhan | Celtic/Gaelic | God is Gracious | Girl |
| Sissy | Celtic/Gaelic | From the name CECILIA | Girl |
| Siusan | Celtic/Gaelic | Lily | Girl |
| Slevin | Gaelic | mountaineer | Boy |
| Sloan | Gaelic | warrior | Boy |
| Slone | Celtic/Gaelic | Warrior | Boy |
| Sorcha | Gaelic | bright | Girl |
| Sullivan | Gaelic | black eyes | Boy |
| Sully | Gaelic | to stain | Boy |
| Sweeny | Gaelic | little hero | Boy |
| Tadhg | Celtic/Gaelic | Poet, Philosopher | Boy |
| Tara | Celtic, Gaelic, Hindu | rocky hill, tower | Girl |
| Tarmon | Celtic/Gaelic | Church Land | Boy |
| Teague | Celtic, Gaelic | poet | Boy |
| Teranika | Celtic/Gaelic | Earth's victory | Girl |
| Tiernan | Celtic, Gaelic | lord | Boy |
| Tieve | Celtic/Gaelic | Hillside | Girl |
| Torrance | Celtic, Gaelic | from the low hills | Boy |
| Tremain | Celtic/Gaelic | Town of the Stone | Boy |
| Trevet | Celtic/Gaelic | Three Mounds of Earth | Boy |
| Trevor | Celtic, Gaelic | cautious | Boy |
| Tully | Celtic, Gaelic | a people, peaceful one | Girl |
| Vevila | Gaelic | woman with a melodious voice | Girl |
| Wally | Celtic/Gaelic | Short for WALLACE | Boy |
| Willem | Celtic/Gaelic | Contraction of WILLIAM | Boy |
| Winfred | Celtic/Gaelic | Friend of Peace | Boy |
