Browse Surnames

This is a list of surnames in which the usage is Irish; and the first letter is K.
usage
letter
Kane Irish
Anglicized form of Ó Catháin.
Kavanagh Irish
Derived from the Irish Gaelic name Caomhánach, which means "a student of saint Caomhán". It was the name used by a 12th-century king of Leinster, Domhnall Caomhánach, the eldest son of the historic Irish king Diarmait Mac Murchada.
Kean Irish
Anglicized form of Ó Catháin.
Keane Irish
Anglicized form of Ó Catháin.
Kearney Irish
From the Irish name Ó Ceithearnaigh meaning "descendant of Ceithearnach", a given name meaning "warrior".
Keefe Irish
Anglicized form of the Irish Ó Caoimh meaning "descendant of Caomh".
Keegan Irish
From Irish Mac Aodhagáin meaning "descendant of Aodhagán". The given name Aodhagán is a double diminutive of Aodh.
Keeley Irish
Anglicized form of Irish Ó Caolaidhe meaning "descendant of Caoladhe", a given name derived from caol "slender".
Keely Irish
Variant of Keeley.
Kelley Irish
Variant of Kelly 1.
Kelly 1 Irish
Anglicized form of Irish Ó Ceallaigh meaning "descendant of Ceallach". Famous bearers include actor and dancer Gene Kelly (1912-1996) and actress and princess Grace Kelly (1929-1982).
Kennedy Irish
From the Irish name Ó Cinnéidigh meaning "descendant of Cennétig". This surname was borne by assassinated American president John F. Kennedy (1917-1963).
Key 2 Irish
Anglicized form of Mac Aodha.
Keyes 2 Irish
Anglicized form of Mac Aodha.
Keys 2 Irish
Anglicized form of Mac Aodha.
Kilduff Irish
From the Irish Mac Giolla Dhuibh meaning "son of the black-haired man".
Killough Irish
Indicated a person who was from Killough (County Down, Northern Ireland) or Killough (Wicklow, Ireland). The place name Killough means "church on the lake", derived from the Irish cill "church" and loch "lake".
Kilpatrick Irish
From the Irish Mac Giolla Phádraig meaning "son of the servant of Saint Patrick".