Baby Names of Ireland

Irish Names Starting with S

20 Irish names beginning with S for girls and boys, with what each one means and how to say it.

Updated September 2026

Of the 20 Irish names starting with S here, 14 are for girls and 6 for boys. The ones readers look up most are Sean, Seamus and Siobhan.

The S names on this page that the most babies were given in 2025, by the Central Statistics Office’s ranking (girls and boys are ranked separately).

  1. No. 17 girlsSaoirse176 babies
  2. No. 23 boysSeán185 babies
  3. No. 32 girlsSadhbh129 babies
  4. No. 38 boysSenan126 babies
  5. No. 110 girlsSíofra42 babies
  6. No. 127 girlsSíomha37 babies
  7. No. 147 boysSéamus36 babies
  8. No. 273 girlsSorcha15 babies
  9. No. 352 girlsSibéal11 babies
  10. No. 483 girlsSiobhán7 babies

Irish girl names starting with S

Sadhbh

pronounced SYVE

Sadhbh comes from the Old Irish Sadb, probably from an old Celtic root meaning “sweet.” It was a common name in medieval Ireland.

More about Sadhbh

Saoirse

pronounced SEAR-sha

Irish word saoirse “freedom, liberty.” It has only been used since the 1920s and has strong patriotic overtones.

More about Saoirse

Shauna

pronounced SHAW-na

Shauna is a feminine form of Shaun, one of the English spellings of the Irish Seán.

More about Shauna

Sheenagh

pronounced SHE-na

Sheenagh is a spelling of Sheena, the anglicized form of the Gaelic Síne (Irish) or Sìne (Scottish Gaelic), both forms of Jane.

More about Sheenagh

Sile

pronounced SHE-la

Síle is the Irish form of Cecilia, which comes from the Roman family name Caecilius, from the Latin caecus, “blind.”

More about Sile

Sinead

pronounced shin-AID

Sinéad is the Irish form of the French Jeannette, a diminutive of Jeanne, and serves as the Irish equivalent of Jane and Janet.

More about Sinead

Siobhan

pronounced shiv-AWN

Siobhan is another Irish form of Joan meaning “God is gracious.” A popular name in Ireland where the anglicised versions are often used.

More about Siobhan

Siofra

pronounced SHEE-fra

Síofra comes from the Irish word síofra, meaning “elf” or “sprite.”

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Siomha

pronounced SHEE-va

Síomha is the modern form of Síthmaith, an Old Irish name made from síth and maith, “good.”

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Irish boy names starting with S

Seamus

pronounced SHAY-muss

The Irish version of James. Many well-known Irishmen have been called Seamus including the 1995 Nobel poet laureate Seamus Heaney.

More about Seamus

Senan

pronounced SEN-an

Senán comes from sen “old, wise” with the diminutive -án, so “little old one” or “little wise one.” Rev.

More about Senan

Irish names by letter

More Irish name lists