O'Connolly Family Crest & Name History

Looking for a O'Connolly coat of arms? Arms were granted to families, not to surnames, and our research shows which heraldic tradition fits yours.

Meaning of the name

The last name O'Connolly is a variant form of Connolly, an Irish family name. At root, the name means “Descendant of Conghalach, "valorous”.

A variant of Connolly

The O' in front of the name is a particle that was often added to Connolly in records. Other spellings include Conolly and Connally.

Want more than a summary? See the O'Connolly family name pack.