Meaning of Costello

Cos•tel•lo

Pronunciation: (kos'tl-ō", ko-stel'ō), [key]
— n.
  1. 1891–1976, Irish political leader: prime minister of the Republic of Ireland 1948–51, 1954–57.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.