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Worldwide, Fionán (Fionán ) is a very rare masculine given name. The forename Fionán is habitual in Northern Europe, particularly Ireland, where it is a rare masculine name.
Daly, Dúill, Leahy, Lynch, Healy, Súilleabháin, Davitt, Kissane, Donohoe, Tierney, O'Brien, Mccarthy, O'Connor, Breathnach, and O'Sullivan