O'fallon

name

name ·3 syllables ·Rare ·Advanced level

Definitions

Proper Noun
  1. 1
    A surname from Irish. countable, uncountable
  2. 2
    A city in St. Clair County, Illinois, United States. countable, uncountable
  3. 3
    A city in St. Charles County, Missouri, United States. countable, uncountable

Etymology

See Fallon.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.