MacMahon Family Crest & Name History

Some records give McMahon; others give MacMahon. Both point to the same Irish family name.

What does the surname MacMahon mean?

The name is usually explained as “Son of Mathúin ("bear")”.

Is MacMahon the same name as McMahon?

Before spelling was fixed, McMahon was also written MacMahon. Other spellings include Mahon and MacMahan.

Is there a MacMahon coat of arms?

Heraldry is personal: arms associated with the McMahon surname were borne by specific families, and sharing the name does not mean sharing the blazon.

Want more than a summary? See the MacMahon family name pack.