Heffernan

H4E1F4F4E1R1N1A1N1

proper noun

A surname from Irish.

OriginIrish Ó hIfearnáin →
UncommonScrabble 18
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Meanings

proper nounHeffernan (plural Heffernans)

plural Heffernans

  1. A surname from Irish.

Origin

  1. IrishÓ hIfearnáin“descendant of Ifearnán”
  2. EnglishHeffernan

Anglicized form of Irish Ó hIfearnáin (“descendant of Ifearnán”), a personal name derived from a diminutive form of ifreannach (“demon”), from ifreann (“hell”).

More words from Irish

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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