SCANLAN: Irish name meaning "scandal."
SCANLON: Variant spelling of Irish Scanlan, meaning "scandal."
SCULLY: Irish name meaning "herald."
SÉ: Short form of Irish Gaelic Séaghdha, possibly meaning "hawk-like."
SEACHLAINN: Irish Gaelic form of Roman Latin Secundinus, meaning "second."
SEACHNALL: Older form of Irish Gaelic Seachlainn, meaning "second."
SÉAFRA: Irish Gaelic form of English Geoffrey, probably meaning "God's peace."
SÉAGHDHA: Traditional Irish name derived from the Gaelic byname Seaghdh, possibly meaning "hawk-like."
SÉAMAS: Modern form of Irish Gaelic Séamus, meaning "supplanter."
SÉAMUS: Irish Gaelic form of Latin Jacomus, meaning "supplanter."
SEÁN: Irish Gaelic form of French Jean (English John), meaning "God is gracious."
SEANÁN: Irish name composed of the Gaelic word sean "old, wise" and a diminutive suffix, hence "little wise one."
SÉARLAS: Irish Gaelic form of English/French Charles, meaning "man."
SECHNALL: Irish form of Roman Latin Secundinus, meaning "second."
SENAN: Variant spelling of Irish Seanán, meaning "little wise one."
SEOIRSE: Irish form of Greek Georgios, meaning "earth-worker, farmer."
SEOSAMH: Irish Gaelic form of Greek Ioseph, meaning "(God) shall add (another son)."
SHEA: Irish surname transferred to unisex forename use, from an Anglicized form of Gaelic Ó Séaghdha ("descendant of Séaghdha"), possibly meaning "hawk-like."
SHERIDAN: Irish surname transferred to forename use, from an Anglicized form of Gaelic Ó Sirideáin ("descendant of Siride�n"), possibly meaning "searcher."
SÍOMÓN: Irish Gaelic form of Greek Symeon, meaning "hearkening."
SIOTHRÚN: Irish Gaelic form of French Geoffroi or Godefrei, meaning "God's peace."
SIRIDEÁN: Irish Gaelic name, possibly derived from the word sirim ("to seak"), hence "searcher."
SLOANE: Irish surname transferred to unisex forename use, derived from an Anglicized form of Gaelic Ó Sluaghadháin, "descendant of Sluaghadhán," hence "little raider."
SLUAGHADH: Irish name derived from Gaelic sluaghadh ("expedition, raid"), hence "raider."
SLUAGHADHÁN: Diminutive form of Irish Sluaghadh ("raider"), hence "little raider."
SOMHAIRLE: Irish Gaelic form of Old Norse Sumarlíðr, meaning "summer traveler."
SORLEY: Variant spelling of Irish Gaelic Somhairle, meaning "summer traveler."
STIANA: Irish Gaelic form of Latin Stephanus, meaning "crown."
STIOFÁN: Irish Gaelic form of Latin Stephanus, meaning "crown."
SUIBHNE: Irish and Scottish Gaelic name meaning "well-going."
SUIBNE: Irish variant form of Gaelic Suibhne, meaning "well-going."
SÚILEABHÁN: Old Irish Gaelic name composed of the elements súil "eye" and dubh "black, dark," and a diminutive suffix, hence "little dark eyes."
SULLIVAN: Irish surname transferred to forename use, from an Anglicized form of Gaelic Ó Súileabháin ("descendant of Súileabhán"), hence "little dark eyes."
SCANLON: Variant spelling of Irish Scanlan, meaning "scandal."
SCULLY: Irish name meaning "herald."
SÉ: Short form of Irish Gaelic Séaghdha, possibly meaning "hawk-like."
SEACHLAINN: Irish Gaelic form of Roman Latin Secundinus, meaning "second."
SEACHNALL: Older form of Irish Gaelic Seachlainn, meaning "second."
SÉAFRA: Irish Gaelic form of English Geoffrey, probably meaning "God's peace."
SÉAGHDHA: Traditional Irish name derived from the Gaelic byname Seaghdh, possibly meaning "hawk-like."
SÉAMAS: Modern form of Irish Gaelic Séamus, meaning "supplanter."
SÉAMUS: Irish Gaelic form of Latin Jacomus, meaning "supplanter."
SEÁN: Irish Gaelic form of French Jean (English John), meaning "God is gracious."
SEANÁN: Irish name composed of the Gaelic word sean "old, wise" and a diminutive suffix, hence "little wise one."
SÉARLAS: Irish Gaelic form of English/French Charles, meaning "man."
SECHNALL: Irish form of Roman Latin Secundinus, meaning "second."
SENAN: Variant spelling of Irish Seanán, meaning "little wise one."
SEOIRSE: Irish form of Greek Georgios, meaning "earth-worker, farmer."
SEOSAMH: Irish Gaelic form of Greek Ioseph, meaning "(God) shall add (another son)."
SHEA: Irish surname transferred to unisex forename use, from an Anglicized form of Gaelic Ó Séaghdha ("descendant of Séaghdha"), possibly meaning "hawk-like."
SHERIDAN: Irish surname transferred to forename use, from an Anglicized form of Gaelic Ó Sirideáin ("descendant of Siride�n"), possibly meaning "searcher."
SÍOMÓN: Irish Gaelic form of Greek Symeon, meaning "hearkening."
SIOTHRÚN: Irish Gaelic form of French Geoffroi or Godefrei, meaning "God's peace."
SIRIDEÁN: Irish Gaelic name, possibly derived from the word sirim ("to seak"), hence "searcher."
SLOANE: Irish surname transferred to unisex forename use, derived from an Anglicized form of Gaelic Ó Sluaghadháin, "descendant of Sluaghadhán," hence "little raider."
SLUAGHADH: Irish name derived from Gaelic sluaghadh ("expedition, raid"), hence "raider."
SLUAGHADHÁN: Diminutive form of Irish Sluaghadh ("raider"), hence "little raider."
SOMHAIRLE: Irish Gaelic form of Old Norse Sumarlíðr, meaning "summer traveler."
SORLEY: Variant spelling of Irish Gaelic Somhairle, meaning "summer traveler."
STIANA: Irish Gaelic form of Latin Stephanus, meaning "crown."
STIOFÁN: Irish Gaelic form of Latin Stephanus, meaning "crown."
SUIBHNE: Irish and Scottish Gaelic name meaning "well-going."
SUIBNE: Irish variant form of Gaelic Suibhne, meaning "well-going."
SÚILEABHÁN: Old Irish Gaelic name composed of the elements súil "eye" and dubh "black, dark," and a diminutive suffix, hence "little dark eyes."
SULLIVAN: Irish surname transferred to forename use, from an Anglicized form of Gaelic Ó Súileabháin ("descendant of Súileabhán"), hence "little dark eyes."