Cearnaigh
Cearnaigh is a surname of Irish Gaelic origin. It is derived from the Gaelic cearnaigh, an occupational term referring to a quarry worker or stone cutter, indicating that the name originally described a person's trade. The form Cearnaigh appears in Gaelic records, and the prefix Ó Cearnaigh marks a lineage meaning "descendant of Cearnaigh."
In medieval and early modern Gaelic Ireland, bearers of the name were associated with communities where quarrying
Today, Cearnaigh remains relatively uncommon. It is chiefly encountered in Ireland, particularly in areas with preserved
See also: Irish surnames, Gaelic language, Ó Cearnaigh, occupational surnames.