Word.ws English Dictionary

O'Fallon

O'Fallon proper noun: a surname from Irish.

Proper noun

O'Fallon (countable and uncountable, plural O'Fallons)

  1. A surname from Irish.
  2. A city and township in St. Clair County, Illinois, United States.
  3. A city in St. Charles County, Missouri, United States.
  4. A neighbourhood of St. Louis, Missouri.

Forms of O'Fallon

pluralO'Fallons

Origin of O'Fallon

See Fallon.

Questions about O'Fallon

What does O'Fallon mean?
O'Fallon means a surname from Irish.
What part of speech is O'Fallon?
O'Fallon is a proper noun.

Words near O'Fallon in the dictionary

  1. o'erthrew
  2. o'erthrow
  3. o'erthrowing
  4. o'erthrown
  5. o'erthrows
  6. O'Fallon
  7. O'Fallons
  8. O'Farrell
  9. O'Flaherty
  10. O'Flynn
  11. O'Flynns

Source and license

Adapted from Wiktionary: O'Fallon (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “O'Fallon.” Word.ws, https://word.ws/o%27fallon. Based on Wiktionary, CC BY-SA 4.0.