Hannon

H4A1N1N1O1N1

proper noun

A surname from Irish.

OriginIrish Ó hAinchín →
UncommonScrabble 9
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Meanings

proper nounHannon (plural Hannons)

plural Hannons · alternative Hennon

  1. A surname from Irish.

Origin

  1. IrishÓ hAinchín“descendant of Ainchín”
  2. EnglishHannon

Reduced Anglicized form of Irish Ó hAinchín (“descendant of Ainchín”), a personal name possibly related to Annach or, alternatively, a variant of ainghein (“unborn”). It could also be a variant form of Hannan or Hanahan.

More words from Irish

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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