| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 201 | Sighle | Gaelic | Gaelic form of Sheila. | F | |
| 202 | Sile | Gaelic | Gaelic form of Sheila. | F | |
| 203 | Silis | Gaelic | Gaelic form of Sheila. | F | |
| 204 | Sine | Gaelic | Feminine form of Sean. | F | |
| 205 | Siubhan | Gaelic | Gaelic form ofJoan. | F | |
| 206 | Siusan | Gaelic | Lily. | F | |
| 207 | Taithleach | Gaelic | Quiet. | F | |
| 208 | Tara | Gaelic | From the crag of a tower. | F | |
| 209 | Trina | Gaelic | Diminutive of Catriona, a Scottish Gaelic variant of Catherine meaning meaning pure, clear. | F | |
| 210 | Una | Gaelic | Gaelic forms of Agnes. | F | |