Born in Feothanach in West Kerry, Ó Sé is the second youngest of five children born to musician and author Maidhc Dainín Ó Sé and his wife Kathleen [REF].
After leaving university Ó Sé worked as a teacher, a butcher, a bouncer, a ferry driver around the Blasket Islands and even a short stint as a ringmaster with Duffy's Circus [REF].