This list includes 15 Irish girl names that start with S, from “Sadhbh” to “Síomha”. These names range from ancient Gaelic favorites to modern revivals, useful for parents, writers and genealogists.

Irish girl names that start with S are female given names rooted in Irish language and culture. Many have mythological ties or come from Gaelic words for virtues, nature, or saints.

Below you’ll find the table with Name, Pronunciation, Meaning, and Origin.

Name: The Irish given name as commonly written, so you can choose or recognize the exact spelling.

Pronunciation: A simple phonetic guide shows how to say each name, so you can pronounce it confidently.

Meaning: A concise definition or origin note explains the name’s significance and cultural or literal sense.

Origin: Notes whether the name is Gaelic, anglicised, or mythological, giving you historical and cultural context.

Irish girl names that start with S

NamePronunciationMeaningOrigin/Notes
SaoirseSEER-sha (ˈsɪərʃə)freedomModern Gaelic virtue name
Siobhánshi-VAWN (ʃɪˈvɑːn)God is graciousGaelic form of Joan/Jeanne
Sinéadshi-NAYD (ʃɪˈneɪd)God is graciousIrish form of Jane/Jane via French
SadhbhSIV (sɪv)sweet, goodlyOld Irish feminine name
SíleSHEE-la (ˈʃiːlə)from Cecilia (blind)Gaelic form of Cecilia/Sheila
SíofraSHEE-fra (ˈʃiːfrə)sprite, changelingOld Irish mythic name
Sibéalshi-BAYL (ʃɪˈbeɪl)pledged to GodGaelicised Isabel/Isobel
SiúnSHOON (ʃuːn)God is graciousIrish form of Joan/Jane
SorchaSOR-kha (ˈsɔrˠxə)bright, radiantOld Irish feminine name
ScáthachSKAW-hah (ˈskaːhə)the shadowy oneMythic warrior-woman (Ulster Cycle)
SionnaSHIN-a (ˈʃɪnə)river goddess/ShannonGoddess of the River Shannon
SaorlaithSEER-lah (ˈsɪərlɑː)free princessOld Gaelic compound saor + láith
Sadhbhínshiv-EEN (ʃɪˈviːn)little Sadhbh, diminutiveDiminutive of Sadhbh
SíneSHEE-neh (ˈʃiːnə)God is graciousIrish form of Jane/Joan
SíomhaSHEE-va (ˈʃiːvə)gentle, pleasantOld Gaelic adjective-name

Descriptions

Saoirse
A modern Irish favorite meaning “freedom”, popular since the early 20th-century cultural revival and widely used today.
Siobhán
A classic Irish form of Joan, long established in Ireland and familiar internationally through literature and music.
Sinéad
Well-known anglicised form of the Irish Sinead, famously borne by singer Sinéad O’Connor and common across Ireland.
Sadhbh
An ancient Gaelic name found in myths and medieval annals; often anglicised as “Sive” or “Sadbh” in English contexts.
Síle
Traditional Irish form of Sheila/Cecilia, common for centuries and pronounced with a “Shee-” beginning in English.
Síofra
A poetic mythological name meaning “changeling” or “sprite”, revived occasionally as a charming, literary choice.
Sibéal
Irish form of Isabel/Isobel, used in modern Ireland and combining international roots with Gaelic spelling.
Siún
A short, traditional Gaelic form of Joan that survives in rural and historical Irish records.
Sorcha
A crisp, lyrical Irish name meaning “bright” or “radiant”, pronounced with a guttural “ch” in Irish.
Scáthach
A powerful mythic name borne by the warrior trainer of Cú Chulainn; carries strong heroic and literary associations.
Sionna
Named for the mythic figure linked to the River Shannon, often used poetically and tied to Irish water lore.
Saorlaith
A historic Gaelic compound meaning “free lady” or “free princess”, rare today but well-attested in medieval sources.
Sadhbhín
A traditional diminutive of Sadhbh used historically as a pet form; charming and distinctly Irish.
Síne
An older, quieter Irish form of Jane, less common than Sinéad but with clear Gaelic roots.
Síomha
A rare Gaelic name meaning “gentle” or “tranquil”, historically attested and sometimes revived by modern parents.
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