Doolan
Doolan (Irish: Ó Duibhleachain) is a surname of Irish origin. They were chiefs of the Clan Breasail Mac Duileachain in the Ulaid sub-kingdom of Dál Fiatach, specifically located in what became the barony of Castlereagh.
Doolan (Irish: Ó Duibhleachain) is a surname of Irish origin. They were chiefs of the Clan Breasail Mac Duileachain in the Ulaid sub-kingdom of Dál Fiatach, specifically located in what became the barony of Castlereagh.
Doolan (Irish: Ó Duibhleachain) is a surname of Irish origin. They were chiefs of the Clan Breasail Mac Duileachain in the Ulaid sub-kingdom of Dál Fiatach, specifically located in what became the barony of Castlereagh.
Source: Wikipedia "Doolan" · CC BY-SA 4.0
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