ther septs included the O Mughrain or O Mughroin a minor branch of the Ui Maine tribe and the Clan Cathail, a group of families related to the O'Connors. The founder, Mughrón (Mugron would translate as "seal's slave in Old Gaelic) who lived in about 886 AD was descended from Cathal, King of Connacht and five O'Mughróins of Clan Cathail. Lough O'Moran, near Elphin in County Roscommon indicates where one of these chiefs lived.. General James O'Moran (1739-1794) of the Irish Brigade in the French Army is thought to be the last chief of this sept. Another chief settled the clan in the area of Ballintober in County Roscommon. A third branch was in Galway where a chief had his seat at Criffon and included the present day baronies of Killian and Ballymoe.
The O'Morains and O'Morahans of North East County Galway, west of the River Suck are descended from two brothers Mughron (~904 AD) and Muchhadán (~936AD) who followed one another as lords of Hi Maine, also seen as Hy Many.
Still another sept, the O'Morains of Mohill, Couty Leitrim lived in the area of Ballinamore (townland of mor). Some have said they were a branch of the Muintir Eolais (the people of Eol), but they are instead a collateral line of earlier origin though they did live in the same area , the southern half of County Leitrim . This clan is a branch of the Commacne Rein of the O'Farrell Clan. Some of these Morans moved into Offaly. Some of them used Morris as a synonym for Moran.
Another Moran family in east Offaly derives from O Murchain and is sometimes seen as Morrin. This family goes back to Mughron (841) who was Chief of Hy Failgi. This became the family O'Failghe and is the origin of the word Offaly. One of his decendants founded the clan Muchadhain also called Morahan in about 1000 AD. Muchadain was a chief who ruled Magh Aoife (Mayiffey) in east Offaly. Later the name became O'Murchain and then O'Morrin. It is this family's coat of arms that is carelessly given as the coat of arms for all Morans [three six pointed black stars (arranged as two on the top row and one below centered) with gold or yellow rays coming from the stars, sometimes this last feature is dropped]. There is in Edenderry, County Offaly a house known as the Bally-Moran House. Parts of this sept also settled in Leinster.
A family of Morans in Counties Down and Antrim were a branch of the Dunlevy family. They were chiefs of the barony of Hy Eachach Coba now called Iveagh.
There is also a County Fermanagh family of Morans derived from MacMoran and MacMorrin that actually go back to MacMourinn, a Norman-French family who moved there from England. They are not to be confused with a MacMorainn family in Fermanagh who in about the ninth century moved from the Clew Bay area to the area of Newtown Butler-Cones. They are believed to be tied to the O'Morains. T. Whitley Moran suggests as they used the `Mac' they were probably led by a son of Morann Mor. The family became the MacMorainn then MacMorran and Moran. This family differs from ours in that they go back to Eochidh Muighmhedhon, but are descended further from Eochay's son Brian to the founder of the O'Malley family and then back in our tribe through Morann Mor. Members of this family moved to the Belfast area as Morans. There is yet another MacMorraan said to be a branch of Hy Briuin of Mayo in Southeast Fermanagh
In western Scotland there are MacMorrans who are a sept of the Clan Mackinnon of Skye and Mull islands. This clan belongs to a larger grouping under Clan MacAlpine.
According to the Irish historian O'Hart in his book, Irish Pedigrees, the Morans go back to Ir the fifth son of Milesius. O'Hart describes this family's crest and it is the same as ours. He states the family line of the Moran's began with the brother of the 97th son of sons of Ir. It begins with Ir's son Heber Donn who was born in Spain and his son Atra and so on for 95 sons. The 97th son of son from Ir was Fiobrann whose father was Finghin. Fiobrann's brother was Mochan whose son was Moran, his son was Fiachra. The 121nd son of sons in this line, according to O'Hart, was Conor whose son was Tirlach O'Moran. T. Whitley Moran dismisses this genealogy as mythical. I am a bit reluctant to do that because O'Hart was a famous genealogist in his day AND he was from Crossmolina AND had Morans in his family. T. Whitley on the other hand had more modern methods and the advantage of doing his research after sources not available to O'Hart became available.
A related published genealogy written in the 1800's shows the Morans descended from Eochaidh Breac, the son of Dathi, and then through the male line as:
Cuboirne - Cathal - Flann - Conchobhar - Ailghneanach - Tadgh - Tighearnach - Treagach - Aongus - Mochan a quo O Mochains, Gregory O'Mochain (who after his family life entered the priesthood and became ArchBishop of Tuam). He died in 1392.
A discussion of the origins of Connacht Morans by Bernard Morgan >
The Gorduff, Crossmolina to East Boston and Winthrop, MA Morans >
There are other Moran genealogies offered at this link >
More Other Morans at this link >
Morans of Providence, Rhode Island >
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