Seachnasach mac Donnchadh
Encyclopedia
Seachnasach mac Donnchadh, ancestor to the family of O'Shaughnessy
, fl. 10th century.
Seachnasach was a member of the Uí Fiachrach Aidhne
dynasty, formerly Kings of Connacht
. By the tenth century their power had been reduced to Aidhne
, a small kingdom in what is now south County Galway
. Seachnasach was a seventeen-time great-grandson of Guaire Aidne mac Colmáin
, one of the dynastys most notable rulers.
He was a kinsman of other Uí Fiachrach dynasts such as Giolla Ceallaigh mac Comhaltan
, Scannlán mac Fearghal
, Eidhean mac Cléireach
, and Cathal mac Ógán
, all of whom would have descendants who derived their surname
from them.
O'Shaughnessy
Ó Seachnasaigh, O'Shaughnessy, collectively Uí Sheachnasaigh, clan name Cinél nAedha na hEchtghe, is a family surname of Irish origin.The name is found primarily in County Galway and County Limerick...
, fl. 10th century.
Seachnasach was a member of the Uí Fiachrach Aidhne
Uí Fiachrach Aidhne
Uí Fhiachrach Aidhne was a kingdom located in what is now the south of Co. Galway.-Legendary origins and geography:...
dynasty, formerly Kings of Connacht
Kings of Connacht
The Kings of Connacht were rulers of the cóiced of Connacht, which lies west of the River Shannon, Ireland. However, the name only became applied to it in the early medieval era, being named after The Connachta.The old name for the province was Cóiced Ol nEchmacht . Ptolemy's map of c. 150 AD...
. By the tenth century their power had been reduced to Aidhne
Aidhne
Aidhne also known as, Uí Fhiachrach Aidhne, Maigh Aidhne / Maigh nAidhne was the territory of the Ui Fiachrach Aidhne, a tuath located in the south of what is now County Galway in the south of Connacht, Ireland. Aidhne is coextensive with the present diocese of Kilmacduagh...
, a small kingdom in what is now south County Galway
County Galway
County Galway is a county in Ireland. It is located in the West Region and is also part of the province of Connacht. It is named after the city of Galway. Galway County Council is the local authority for the county. There are several strongly Irish-speaking areas in the west of the county...
. Seachnasach was a seventeen-time great-grandson of Guaire Aidne mac Colmáin
Guaire Aidne mac Colmáin
Guaire Aidne mac Colmáin was a king of Connacht. A member of the Ui Fiachrach Aidhne and son of king Colmán mac Cobthaig . Guiare ruled at the height of Ui Fiachrach Aidne power in south Connacht.-Early reign:...
, one of the dynastys most notable rulers.
He was a kinsman of other Uí Fiachrach dynasts such as Giolla Ceallaigh mac Comhaltan
Giolla Ceallaigh mac Comhaltan
Giolla Ceallaigh mac Comhaltan, fl. 10th century, ancestry to the MacGiolla Ceallaigh .Giolla Cellaigh - devotee of Saint Ceallaigh - was a member of the Uí Fiachrach Aidhne of south Galway, and was a six-time great-grandson of Guaire Aidne mac Colmáin, King of Connacht...
, Scannlán mac Fearghal
Scannlán mac Fearghal
Scannlán mac Fearghal, ancestor of the Ó Scannláin family of County Galway, fl. 10th century.Scannlán was a member of the Uí Fiachrach Aidhne dynasty of south County Galway, and is listed in the genealogies as a seventeen-times great-grandson of King Guaire Aidne mac Colmáin of Connacht, who died...
, Eidhean mac Cléireach
Eidhean mac Cléireach
Eidhean mac Cléireach, ancestor of the Ó hEidhin/Hynes family of County Galway, fl. 800.Eidhean was a member of the dynasty of Uí Fiachrach Aidhne, and a descendant of Guaire Aidne mac Colmáin , Fiachrae mac Eochaid Mugmedon and thus distantly related to the dynasty of Uí Néill...
, and Cathal mac Ógán
Cathal mac Ógán
Cathal mac Ógán is an ancestor of the Ó Cathail–Cahill family of County Galway.Cathal was a member of the Uí Fiachrach Aidhne, and a thirteen-time great-grandson of Nath Í, King of Connacht...
, all of whom would have descendants who derived their surname
Surname
A surname is a name added to a given name and is part of a personal name. In many cases, a surname is a family name. Many dictionaries define "surname" as a synonym of "family name"...
from them.
Pedigree
Seachnasach mac Donnchadh mc. Comahaighe m. Fergal m. Maolciarain m. Maoltuile m. Siodhuine m. Nocba m. Egma m. Gabhnan m. Tobath m. Branan m. Brian m. Murchadh m. Aodh m. Artgail m. Guaire Aidne.Descendants
- Sir Roger O'Shaughnessy of KineleaSir Roger O'Shaughnessy of KineleaRuaidhrí Gilla Dubh Ó Seachnasaigh , Irish Knight and Chief of the Name, died 1569.The son of Sir Diarmaid Ó Seachnasaigh, Ruaidhrí was described by Sir Henry Sidney as "a very obedient and civil man, and most desirous to hold his lands directly of your majesty and to be delivered of the exactions...
- second baronet O'Shaughnessy of Kinelea - Roger O'ShaughnessyRoger O'ShaughnessyRoger O'Shaughnessy, The O'Shaughnessy , was a Captain in the Irish army of James II of England. He was present at the Battle of the Boyne, dying ten days after...
- Captain in the Army of James II of EnglandJames II of EnglandJames II & VII was King of England and King of Ireland as James II and King of Scotland as James VII, from 6 February 1685. He was the last Catholic monarch to reign over the Kingdoms of England, Scotland, and Ireland... - William O'ShaughnessyWilliam O'Shaughnessy-Early life:William O'Shaughnessy was a member of the Uí Seachnasaigh of Cenél Áeda na hEchtge in south County Galway. His father was The Ó Seachnasaigh, Roger O'Shaughnessy, while his mother was Helen O'Brien, daughter of Conor mac Donogh O'Brien, a son of Donogh O'Brien, 4th Earl of Thomond...
- Major-General and Chief of the Name - Arthur O'ShaughnessyArthur O'ShaughnessyArthur William Edgar O'Shaughnessy was a British poet of Irish descent, born in London.-Biography:At the age of seventeen, in June 1861, Arthur O'Shaughnessy received the post of transcriber in the library of the British Museum, reportedly through the influence of Sir Edward Bulwer Lytton...
- poetPoetA poet is a person who writes poetry. A poet's work can be literal, meaning that his work is derived from a specific event, or metaphorical, meaning that his work can take on many meanings and forms. Poets have existed since antiquity, in nearly all languages, and have produced works that vary... - Baron ShaughnessyBaron ShaughnessyBaron Shaughnessy, of the City of Montreal in the Dominion of Canada and of Ashford in the County of Limerick, is a title in the Peerage of the United Kingdom. It was created in 1916 for the businessman and public servant Thomas Shaughnessy, president of the Canadian Pacific Railway Company...
- Eileen O'ShaughnessyEileen O'ShaughnessyEileen Maud O'Shaughnessy was the first wife of British writer George Orwell.O'Shaughnessy was born in South Shields, County Durham, in the north-east of England, the only daughter of Marie O'Shaughnessy and Lawrence O'Shaughnessy, who was a customs collector...
- wife of George OrwellGeorge OrwellEric Arthur Blair , better known by his pen name George Orwell, was an English author and journalist... - James O'ShaughnessyJames O'ShaughnessyJames P. O'Shaughnessy is an American investor and the founder, chairman, and CEO of O'Shaughnessy Asset Management, LLC , an asset management firm headquartered in Stamford, Connecticut....
- authorAuthorAn author is broadly defined as "the person who originates or gives existence to anything" and that authorship determines responsibility for what is created. Narrowly defined, an author is the originator of any written work.-Legal significance:...
and investorInvestorAn investor is a party that makes an investment into one or more categories of assets --- equity, debt securities, real estate, currency, commodity, derivatives such as put and call options, etc...