Irish Names that Start With O

  1. Obrien
    • Origin:

      Irish surname
    • Meaning:

      "descendant of Brian"
    • Description:

      The use of O-prefixes could create the next wave of Irish inflected names, offering an innovative way of honoring a relative with a behind the times moniker.
  2. O'shea
    • Origin:

      Irish
    • Meaning:

      "hawklike, stately"
    • Description:

      One of the jauntiest o' the O' names, the birth name of actor/ rapper Ice Cube.
  3. O'donnell
    • Origin:

      irish
    • Meaning:

      "son of the brave one"
    • Description:

      Forget Donald. Honor Grandpa Don with this new spin.
  4. O'grady
    • Origin:

      Irish
    • Meaning:

      "son of the noble one"
    • Description:

      Like the other O' names, this is a wonderful way to pass down a family name.
  5. Oilibhear
    • O'keefe
      • Origin:

        Irish
      • Meaning:

        "son of the kind one"
      • Description:

        Most parents interested in this name would be honoring either an ancestor or painter Georgia O'Keeffe.