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Last name origins & meanings:

  1. Irish and Scottish: Anglicized form of Gaelic Mac Phóil (see McFall).
  2. Irish: variant of Quill 1.
  3. English: from Middle English quaille ‘quail’, a nickname for a timorous, lecherous, or fat person, all qualities that were ascribed to the bird.
  4. In one family this is an Americanized form of the Ashkenazic Jewish ornamental surname Kvalvaser, meaning ‘spring water’ in Yiddish.