Families in Ireland from the 11th to the end of the 16th Century

According to "A Topographical and Historical Map of Ancient Ireland" compiled by Philip MacDermott, M.D., the following were names of the principal families in Ireland, of Irish, Anglo-Norman, and Anglo-Irish origin, from the eleventh to the end of the sixteenth century:
SurnameGiven NameDescription/MemoPlaceDescription/Memo
O'DooleyCheiftain; Principal FamilyWestmeath, IrelandFamilies in Ireland from the 11th to the end of the 16th Century
O'DoolinPrincipal FamiliyKerry, IrelandGFamilies in Ireland from the 11th to the end of the 16th Century
O'DowlingQueen's County; Chief; Principal FamilyLaois, IrelandGFamilies in Ireland from the 11th to the end of the 16th Century
O'DowlingChief; Principal FamilyWicklow, IrelandFamilies in Ireland from the 11th to the end of the 16th Century
 
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Compiler: Brian Thomas Dowling (1955-)
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