McMahon

M3C3M3A1H4O1N1
Ireland/məkˈmæhən/US/məkˈmeɪən/US/məkˈmæn/UK/məkˈmɑːn/

proper noun

A surname from Irish.

Less commonScrabble 16

Meanings

proper nounMcMahon (countable and uncountable, plural McMahons)

plural McMahons · alternative MacMahon · alternative McMahan · alternative McMeans

  1. countableuncountableA surname from Irish.
  2. countableuncountableA hamlet in the Rural Municipality of Coulee, Saskatchewan, Canada.
  3. countableuncountableAn electoral division in Sydney, New South Wales, Australia.

Origin

  1. Middle Irishmac“son”
  2. IrishMac Mathúna
  3. EnglishMcMahon

Anglicized form of Irish Mac Mathúna, earlier spelling Mac Mathghamhna (literally “son of the bear”), from Middle Irish mac (“son”) and mathgamain (“bear”).

Full word history & related roots →

Rhymes & wordplay

Rhymes with McMahon

All rhymes →
Cite this entry
APA

McMahon. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/McMahon

MLA

“McMahon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/McMahon. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “McMahon,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/McMahon.

Source: McMahon on Wiktionary, CC BY-SA 4.0.