The mcmahon Surname
mcmahon Name Meaning and History
Irish: Anglicized form of Gaelic Mac Mathghamhna, a
patronymic from the byname Mathghamhain meaning ‘good
calf’. This was the name of two (unrelated) chieftain families in
counties Clare and Monaghan. In northern Ireland it is sometimes
Anglicized as Matthews, since Matha was the Irish form
of the Biblical name.
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
Learn the meaning and history of your first name
Share this page with friends and family
Search for mcmahon records
More resources for your mcmahon family history
McMahon message board
Threads: 813 - Messages: 1764
Start your FREE family tree. Who will you discover?
A family tree is the easiest way to start discovering your family history. To begin, just enter whatever you know and we'll use that to try and find more information for you.
Begin your family tree with your name:
The mcmahon name in History
A unique volume of fascinating facts, statistics and commentary following the mcmahon family name as far back in history as possible.
Member Connections
- Anonymously contact one of the Ancestry members researching the mcmahon last name.
- Search for Ancestry members researching one of your specific ancestors.
- Create or update your own Ancestry member profile so that other members can anonymously contact you.
More Tools and Resources
- Search Ancestry.com for all of your mcmahon ancestors.
- Create and publish your own family history book using Ancestry Press.
- Learn more about your family history using DNA Ancestry.
- Learn more about family history in the Ancestry Learning Center.
- Visit the Ancestry.com homepage.