. "Fearghus Mac Ailill" . "\u00D3 Fearghail" . . "O'Farrell family" . . "O\u2019Farrell" . . "Sea\u00E1n \u00D3 Fearghail" . "E\u00F3ghan alias Maolsheachlainn \u00D3 Fearghail" . . "O'Farrell" . . "\u00D3 Fearghuis" . "Fearghail" . "House of \u00D3 Fearghail" . . "Conchobhar \u00D3 Fearghail" . "\u00D3 Fearghail" . "\u00D3 Fearghail Clan" . . . "Cairbre \u00D3 Fearghail" . . "Fearghus" .