The Ó Ceallaigh family is an Irish surname that originates from the Gaelic name "Ó Ceallaigh," meaning "descendant of Ceallach." The name is associated with various regions in Ireland, particularly in County Galway and County Clare. Historically, the Ó Ceallaigh family was part of the Gaelic nobility and played a role in local governance and culture. Members of the Ó Ceallaigh family have contributed to Irish history in various fields, including literature, politics, and the arts. The family name is often linked to the broader Irish heritage and reflects the rich traditions and customs of Ireland. Today, descendants of the Ó Ceallaigh family can be found around the world, maintaining their cultural identity.