Popular Surnames in County Sligo

The following are the most popular surnames occurring in our database for County Sligo:

  • Gallagher
  • Brennan
  • MacGowan
  • Kelly
  • Gilmartin
  • Healy
  • Walsh
  • Hart
  • Feeney
  • MacDonagh
  • Loughlin
  • Connor
  • Beirne
  • Conlon
  • Scanlon
  • Higgins
  • Donnell
  • Flynn
  • Gillan
  • Mullaney
  • O’Hara