Celtic Surnames

These names are used by Celtic peoples.
usage
Rhydderch Welsh
From the given name Rhydderch.
Rice Welsh
Derived from the given name Rhys.
Riley 2 Irish
Variant of Reilly.
Rinne 1 Irish
Anglicized form of Ó Rinn.
Riordan Irish
From Irish Ó Ríoghbhárdáin meaning "descendant of Rígbarddán".
Rowan Irish
Anglicized form of Ó Ruadháin.
Ruane Irish
Anglicized form of Ó Ruadháin.
Ryan Irish
Anglicized form of Ó Riain, or else a simplified form of Mulryan.
Samuel English, Welsh, French, Jewish
Derived from the given name Samuel.
Sayer Welsh
From Welsh saer meaning "carpenter".
Scully Irish
Anglicized form of Ó Scolaidhe.
Seward 3 Irish
Anglicized form of Ó Suaird.
Shannon Irish
From Irish Ó Seanáin meaning "descendant of Seanán".
Shaughnessy Irish
Anglicized form of Ó Seachnasaigh.
Shea Irish
Anglicized form of Ó Séaghdha.
Sheedy Irish
Anglicized form of Ó Síoda.
Sheehy Irish
Variant of McSheehy.
Sheenan Irish
Variant of Shannon.
Sheridan Irish
From the Irish name Ó Sirideáin meaning "descendant of Sirideán". The given name Sirideán possibly means "searcher".
Shine 2 Irish
Anglicized form of Ó Seighin.
Slane Irish
Originally indicated a person from Slane, County Meath, Ireland, which is derived from the given name Sláine.
Sloan Irish
From Irish Ó Sluaghadháin meaning "descendant of Sluaghadhán".
Sloane Irish
Variant of Sloan.
Sowards English, Irish
Possibly a variant of Seward 1 or Seward 3.
Sullivan Irish
Anglicized form of the Irish name Ó Súileabháin meaning "descendant of Súileabhán". The name Súileabhán means "dark eye".
Sweeney Irish
Anglicized form of Mac Suibhne.
Taggart Irish, Scottish
Anglicized form of Irish Mac an tSagairt meaning "son of the priest". This name comes from a time when the rules of priestly celibacy were not strictly enforced.
Teagan Irish (Rare)
Anglicized form of Irish Ó Tadhgáin meaning "descendant of Tadhgán".
Teague 1 Irish
Anglicized form of Irish Ó Taidhg meaning "descendant of Tadhg".
Teague 2 Cornish
From Cornish tek meaning "fair, beautiful".
Teahan Irish
Anglicized form of Irish Ó Téacháin meaning "descendant of Téachán". The given name Téachán possibly means "fugitive".
Thomas English, Welsh, French, German
Derived from the given name Thomas.
Tierney Irish
From Irish Ó Tíghearnaigh meaning "descendant of Tighearnach".
Tighe Irish
Anglicized form of Ó Taidhg.
Toole Irish
Variant of O'Toole.
Tracey 2 Irish
Anglicized form of Irish Ó Treasaigh meaning "descendant of Treasach".
Treacy Irish
Variant of Tracey 2.
Trevor Welsh
Originally from the name of various Welsh towns meaning "big village", derived from Middle Welsh tref "village" and maur "large".
Vaughan Welsh
From Welsh bychan (mutated to fychan) meaning "little". It was a descriptive name to distinguish father from son.
Vaughn Welsh
Variant of Vaughan.
Vincent 2 Irish
Anglicized form of Irish Mac Dhuibhinse meaning "son of Duibhinse", a given name meaning "black island".
Wallace Scottish, English, Irish
Means "foreigner, stranger, Celt" from Norman French waleis (of Germanic origin). It was often used to denote native Welsh and Bretons. A famous bearer was the 13th-century Sir William Wallace of Scotland.
Walsh English, Irish
From Old English wælisc meaning "foreigner, stranger, Celt".
Ward 2 Irish
Anglicized form of Irish Mac an Bhaird, which means "son of the bard".
Whalen Irish
Variant of Whelan.
Whelan Irish
Anglicized form of Irish Ó Faoláin meaning "descendant of Faolán".