How common is the McMahon surname?

There are approximately 120,000 people with the surname McMahon in the United States.

Are there McMahon soldiers in Civil War records?

Yes, 1,312 soldiers with the McMahon surname appear in Civil War records.

McMahon

Q: What does the surname McMahon mean?

The surname McMahon means "Son of Mahon, where Mahon derives from the Gaelic 'mathghamhain' meaning 'bear.'". It is of Irish origin.

Patronymic

Meaning

Son of Mahon, where Mahon derives from the Gaelic 'mathghamhain' meaning 'bear.'

Etymology

The 'Mc' prefix indicates 'son of' in Irish Gaelic, combined with Mahon. The root 'mathghamhain' literally translates to 'bear,' symbolizing strength and power in Celtic tradition.

About the McMahon Surname

McMahon is a major Irish surname originating from the Dalcassian dynasty in Munster. The clan held significant power in medieval Ireland and maintained strong territorial influence.

Distribution & Frequency

Estimated 120,000 bearers in the United States #352 most common surname

Rare Common

Concentrated in County Clare and Munster region of Ireland, with diaspora communities in the United States, Canada, and Australia.

McMahon Surname Distribution

Geographic distribution based on Civil War military records.

Fewer

Richard McMahon

Col.

Thomas McMahon

President

Quick Facts

Origin: Irish
Classification: Patronymic
Estimated Bearers: 120,000

War Records

1,312 soldiers with the McMahon surname found in Civil War records.

Search war records →