Quigley is a surname of Irish origin derived from the Gaelic Ó Coigligh meaning "descendent of Coigleach (male)" or Ní Choigligh meaning "descendent of Coigleach (female)." Variations include: O'Quigley, Cogley, Quigly, Quigg, MacQuigg, McQuigge, O'Quigg, Twigg and Fivey. The name originates from County Mayo.
