Rioux Family History
Rioux Name Meaning
Breton (mainly Morbihan): variant of Riou (see Rio ). French (southern): topographic name for someone who lived by a stream from Occitan riou ‘stream’ (from Latin rivus) or a habitational name from any of various places called with this word e.g. Rioux in Charente-Maritime or Rioux-Martin in Charente.
Source: Dictionary of American Family Names 2nd edition, 2022