Family name Tríona (Tríona 
) , globally, is an extremely rare surname. Much more frequently, Tríona is the forename as well as the last name.
Shea, Sørensen, Dhochartaigh, Moriarty, O'Neill, Fleming, Donnell, Carroll, O'Shea, Larkin, Dhomhnaill, Curran, Cleary, Connor, Dooley-Cullinane, Cahill, Mhathúna, Mcevoy, Mcdaid, Murphy, Walsh, Oshea, Healy, Twist, Tighe, Davin, Kelly, Byrne, Ryan, Mhurchadha, and O'Sullivan