Etymology

Muldoon

M3U1L1D2O1O1N1

Today it means: A surname from Irish. Full definition →

Irish Ó Maoldúin
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The story

  1. Irish · derived fromÓ Maoldúin“descendant of Maoldúin”
  2. English todayMuldoon

From Irish Ó Maoldúin (“descendant of Maoldúin”), from Ó + Maoldúin.

Etymology from Wiktionary, CC BY-SA 4.0.