Effect of Penal Laws.  Sons Of Irish Catholic Aristocratic Families Requirement to Produce Genealogical Proof for Crown Service on the Continent 17th 18th and 19th centuries.

 

 

From Dr. Albert Casey, O’Kiev Cishe Mong

 

https://durrushistory.com/2016/05/12/discovery-of-lost-vellum-manuscript-documenting-the-genealogy-of-the-very-ancient-and-illustrious-house-of-the-oreillys-formerly-princes-and-dynasts-of-breifne-oreilly-now-called-the-county-of/

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