| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| S&Aelig;Wine | - | Anglo-Saxon | ||
| SÄDe | SA-de | Finnish | ||
| SÉ | SHAY | Irish | ||
| SÉAfra | - | Irish | ||
| SÉAghdha | SHAY | Irish | ||
| SÉAmas | - | Irish | ||
| SÉAmus | SHAY-mus | Irish | ||
| SÉArlait | SHAHR-lat | Irish | ||
| SÉArlas | SHAHR-las | Irish | ||
| SÉRgio | SER-zhyoo | Portuguese | ||
| SÍLe | SHEE-la | Irish | ||
| SÍLvia | - | Portuguese, Catalan | ||
| SÍNe | SHEE-na | Irish | ||
| SÍOmha | SHEE-va | Irish | ||
| SÍThmaith | - | Irish |