O'Diley History, Family Crest & Coats of Arms
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The spelling and overall form of Irish names often vary considerably. The original Gaelic form of the name O'Diley is O Dalaigh, from the word "dalach," which comes from "dail," which means "assembly."
Early Origins of the O'Diley family
The surname O'Diley was first found in the barony of Magheradernon, in County Westmeath and traditionally claim descent from Eanna Ceannselach (Ian Kinsella), King of Leinster. They became Chiefs of Muintir Bhaire in the south west of Cork, and later in the north west of the same county, largely in O'Keefe's country. A distinct sept was found in Desmond as early as 1165.
"Cuconnachta-na-Scoil O'Daly (or "Cuconnachta of the Schools") was the first of this family that assumed the surname." 
Early History of the O'Diley family
This web page shows only a small excerpt of our O'Diley research. Another 198 words (14 lines of text) covering the years 1139, 1680, 1600, 1595, 1662, 1595, 1583, 1617, 1595, 1665, 1638, 1721, 1574, 1614, 1902, 1976, 1955 and 1976 are included under the topic Early O'Diley History in all our PDF Extended History products and printed products wherever possible.
O'Diley Spelling Variations
During the Middle Ages, a standardized literary language known by the general population of Ireland was a thing of fiction. When a person's name was recorded by one of the few literate scribes, it was up that particular scribe to decide how to spell an individual's name. So a person could have several spelling variations of his name recorded during a single lifetime. Research into the name O'Diley revealed many variations, including Daly, Daley, Daylie, Dayley, Dalley, Dailey, Daily, Dailley, Dally, O'Daily, O'Daley and many more.
Early Notables of the O'Diley family (pre 1700)
Notable amongst the family name at this time was Daniel O'Daly (1595-1662), Irish diplomat and historian. He was "a native of Kerry, born in 1595, was member of a branch of an Irish sept which took its name from an ancestor, Dalach, in the twelfth century. His family were among the adherents of the Earl of Desmond, who was attainted for having opposed the government of Queen Elizabeth in Ireland, and was killed there in 1583. " 
Angus O'Daly (d. 1617), was the Irish...
Another 83 words (6 lines of text) are included under the topic Early O'Diley Notables in all our PDF Extended History products and printed products wherever possible.
Migration of the O'Diley family
In the 18th and 19th centuries, thousands of Irish families fled an Ireland that was forcibly held through by England through its imperialistic policies. A large portion of these families crossed the Atlantic to the shores of North America. The fate of these families depended on when they immigrated and the political allegiances they showed after they arrived. Settlers that arrived before the American War of Independence may have moved north to Canada at the war's conclusion as United Empire Loyalists. Such Loyalists were granted land along the St. Lawrence River and the Niagara Peninsula. Those that fought for the revolution occasionally gained the land that the fleeing Loyalist vacated. After this period, free land and an agrarian lifestyle were not so easy to come by in the East. So when seemingly innumerable Irish immigrants arrived during the Great Potato Famine of the late 1840s, free land for all was out of the question. These settlers were instead put to work building railroads, coal mines, bridges, and canals. Whenever they came, Irish settlers made an inestimable contribution to the building of the New World. Early North American immigration records have revealed a number of people bearing the Irish name O'Diley or a variant listed above, including: the Widow Daley who settled in Canada in 1846.
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The O'Diley Motto +
The motto was originally a war cry or slogan. Mottoes first began to be shown with arms in the 14th and 15th centuries, but were not in general use until the 17th century. Thus the oldest coats of arms generally do not include a motto. Mottoes seldom form part of the grant of arms: Under most heraldic authorities, a motto is an optional component of the coat of arms, and can be added to or changed at will; many families have chosen not to display a motto.
Motto: Deo fidelis et Regi
Motto Translation: Loyal to God and king
- ^ O'Hart, John, Irish Pedigrees 5th Edition in 2 Volumes. Baltimore: Genealogical Publishing Company, 1976. Print. (ISBN 0-8063-0737-4)
- ^ Smith, George (ed), Dictionary of National Biography. London: Smith, Elder & Co., 1885-1900. Print