Glennon

G2L1E1N1N1O1N1

proper noun

A surname from Irish.

OriginIrish Mac Leannáin →
UncommonScrabble 8
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Meanings

proper nounGlennon (countable and uncountable, plural Glennons)

plural Glennons

  1. countableuncountableA surname from Irish.
  2. countableuncountableAn unincorporated community in Bollinger County, Missouri, United States.

Origin

  1. IrishMac Leannáin“son of Leannán”
  2. EnglishGlennon

Reduced Anglicized form of Irish Mac Leannáin (“son of Leannán”), a personal name from leann (“cloak”) + -án (“diminutive suffix”).

More words from Irish

Full word history & related roots →
Cite this entry
APA

Glennon. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Glennon

MLA

“Glennon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Glennon. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Glennon,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Glennon.

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