O'Daniell History, Family Crest & Coats of Arms
- Origins Available:
The original Gaelic form of O'Daniell was O'Domhnaill, which means descendant of Domhnall or descendant of Donal(l.) The name is derived from the Irish words "domhan" (the world) and "all" (mighty): son of Colga, a quo O'Domhnaill.  The surname claims descendancy from the Heremon Kings of Ireland. 
Early Origins of the O'Daniell family
The surname O'Daniell was first found in County Galway (Irish: Gaillimh) part of the province of Connacht, located on the west coast of the Island, where records show this distinguished Irish Clann were directly descended from Connell, son of King Niall of the Nine Hostages who died in 371. Today the most numerous listing of the name can be found in Tirconaill (Donegal), but there are two other branches that are significant, those in Corcabaskin in West Clare, and those of the Ui Maine (Hy Many) in County Galway.  All descend from the same ancestor name Domhnall (English: Donal) and are O Domhnaill (Irish Gaelic.) The Donegal "promedominance only dates from the thirteenth century; prior to that they were located in the comparatively restricted area around Kilmacrenan, County Donegal." 
Important Dates for the O'Daniell family
This web page shows only a small excerpt of our O'Daniell research. Another 68 words (5 lines of text) covering the years 1571, 1602, 1601, 1602, 1575 and 1608 are included under the topic Early O'Daniell History in all our PDF Extended History products and printed products wherever possible.
O'Daniell Spelling Variations
Names from the Middle Ages demonstrate many spelling variations. This is because the recording scribe or church official often decided as to how a person's name was spelt and in what language. Research into the name O'Daniell revealed many variations, including O Donnell, O'Donald, O'Donle, O'Donall, O'Donnell and others.
Early Notables of the O'Daniell family (pre 1700)
Notable amongst the family name at this time was Red Hugh O'Donnell (1571-1602), Irish chieftain and Earl of Tyrconnel, who fought against the English, but was defeated, with Hugh O'Neill, 2d Earl of Tyrone, at Kinsale in 1601. He was succeeded in...
Another 42 words (3 lines of text) are included under the topic Early O'Daniell Notables in all our PDF Extended History products and printed products wherever possible.
Migration of the O'Daniell family
Thousands of Irish families left for North American shores in the 19th century. These people were searching for a life unencumbered with poverty, hunger, and racial discrimination. Many arrived to eventually find such conditions, but many others simply did not arrive: victims of the diseased, overcrowded ships in which they traveled to the New World. Those who lived to see North American shores were instrumental in the development of the growing nations of Canada and the United States. A thorough examination of passenger and immigration lists has disclosed evidence of many early immigrants of the name O'Daniell: Charles, Roger, Thomas, William O'Donald who arrived in Philadelphia, Pennsylvania between 1840 and 1860; Phillip O'Donel arrived in Boston Massachusetts in 1767.
- ^ O'Hart, John, Irish Pedigrees 5th Edition in 2 Volumes. Baltimore: Genealogical Publishing Company, 1976. Print. (ISBN 0-8063-0737-4)
- ^ MacLysaght, Edward, Irish Families Their Names, Arms and Origins 4th Edition. Dublin: Irish Academic, 1982. Print. (ISBN 0-7165-2364-7)