Pedigree: (NN) ... (NN) O'RIAGAIN of MEATH

The PEDIGREE of

(NN) ... (NN) O'RIAGAIN of MEATH

many missing generations; (DNA EVIDENCE)

Note: There are two historic O'Riagain families known in ancient Ireland. The President is most likely descended from the family of Meath which probably had the R1b-L21-CTS4466 haplogroup. The other family, of Thomond, probably had the I-L39 haplogroup.

Poss. U.S. President^_[REAGAN]'s 8-Great Grandfather.

Wife/Partner: ?
Possible Child: (NN) O'RIAGAIN
Alternative Father of Possible Child: poss. (NN) ... (NN) O'RIAGAIN of THOMOND

______	______	______	______	______	______	______	______	______	______	______	______
										/	-- Muireadeach Tirech M. +	==&=> [ 222 ,,qD,&]
									/	-- Eochaid (Eochu) Mugmedon of IRELAND
									\|	\	/ OR: source: Niall Modal ... +	=====>
									/	\	-- Muireann ingen FIACHAIDH +	====> [ 4]
								/	-- Niall Noigiallach MacECHACH
								\|	\	-- Cairenn Chasdubh of B. +		====> [ 1]
								/			/ or: Eyvindr of MUMHAN
							/	-- Eoghan (Eogan Owen) Find MacNEILL
							\|	\	-- Rignach ingen MEADAIB +			==&=> [ 218 ,,qD,&]
							\|			/ OR: Ine ingen DUBTHAIG +		====> [ 2]
							/			/ or: Indiu ingen LUGDACH, q.v.
						/	-- Muireadhach MacEOGAN (King?)
						/	\	-- Indorb (Marb) FIND
					/	-- Angus Mor MacERC
					\|	\	/ OR: prob. source: R1b-Reagan y-Haplogr. +					=====>
					\|	\|		/	-- Erc MacECHACH of DALRIADA +			====> [ 230 ,,q,&]
					\|	\|	/	-- Loarn Mor (King) of DALRIADA
					\|	\|	\|	\	/ OR: poss. Loarn Mor MacEOCHAID of D. +			==&=> [ 230 ,,qD,&]
					\|	\|	/	\	-- Misi (Mist)
					\|	\	-- Earca ingen LOAIRN (Princess) of DALRIADA
					\|		\	/	-- poss. Angus MacROMAICH +			====> [ 223 ,,q,&]
					\|		\	-- prob. not Eochaid of PICTS, sister of
					/			\	-- poss. Romaich, sister of +			====> [ 223 ,,q,&]
				/	-- Fergna MacANGUS
			/	-- Riagan MacFERGNA
		/	-- (NN) ... (NN) O'RIAGAIN
		/		/ ( many missing generations)
	/	-- poss. Mathghamhain O'RIAGAIN (King of BREAGH)
/	-- (NN) ... (NN) O'RIAGAIN, Lords of South Breagh
/		/ ( several missing generations)
- (NN) ... (NN) O'RIAGAIN of MEATH
\
\	-- ?

His (poss.) 2(+)-Great Grandchild: Michael REAGAN

His (poss.) 6(+)-Great Grandchild: Maureen Elizabeth REAGAN