| ![Show Contents]() MacCostelloe History, Family Crest & Coats of Arms
- Origins Available:
 Ireland The MacCostelloe surname came to Ireland with the Anglo-Norman invasion of the 12th century. They were originally from the Norman family Nangles, or de Angulos, and descended in Ireland from Gilbert de Nangle. Costello and associated variations come from the personal name of a son of Gilbert, Oisdealbhach, whose name consists of the elements "os," which means "deer or fawn", and "dealbhadh," which means "in the form of" or "resembling." The Gaelic form of the surname MacCostelloe, which predated the Anglicized version of the name, is Mac Oisdealbhaigh. This is the earliest recorded example of a Norman family assuming a Mac surname. The prefix O or Ó has sometimes been erroneously assumed. 1 Early Origins of the MacCostelloe familyThe surname MacCostelloe was first found in County Mayo (Irish: Maigh Eo) located on the West coast of the Republic of Ireland in the province of Connacht, where they were granted lands by the Earl of Pembroke in the Anglo-Norman invasion of 1172. Early History of the MacCostelloe familyThis web page shows only a small excerpt of our MacCostelloe research. Another 138 words (10 lines of text) covering the years 1172, 1500, 1531, 1567, 1571, 1579, 1606, 1803 and 1865 are included under the topic Early MacCostelloe History in all our PDF Extended History products and printed products wherever possible. MacCostelloe Spelling VariationsDuring the lifetime of an individual person, his name was often spelt by church officials and medieval scribes the way it sounded. An examination of the many different origins of each name has revealed many spelling variations for the name: Costello, MacCostello, Costillo, Costallo, Kostello, McCostello, Caustello, Costellow and many more. Early Notables of the MacCostelloe familyNotable amongst the family up to this time was Guillauame Costeley (1531-1606), Scottish organist and 'valet du chambre du roy' to Henry II and Charles IX of France. 2 Arthur Dudley Costello (1803-1865), was an English-born Irish novelist and travel writer.William Costeley was a Scottish musician, born 1531, settled in France, and was organist to Henri II and Charles IX. Author of a treatise called...
Another 65 words (5 lines of text) are included under the topic Early MacCostelloe Notables in all our PDF Extended History products and printed products wherever possible. Migration of the MacCostelloe familyIreland's Great Potato Famine left the country's inhabitants in extreme poverty and starvation. Many families left their homeland for North America for the promise of work, freedom and land ownership. Although the Irish were not free of economic and racial discrimination in North America, they did contribute greatly to the rapid development of bridges, canals, roads, and railways. Eventually, they would be accepted in other areas such as commerce, education, and the arts. An examination of immigration and passenger lists revealed many bearing the name MacCostelloe: Honor Costello who landed in America in 1756; Bernard, Cornelius, Edward, Hugh, J.B. James, John, John B. Lawrence, Mark, Michael, Neal, Patrick, Peter, Philip, Thomas, Timothy, and William Costello, all landed in Philadelphia, Pennsylvania between 1833 and 1874.
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: Ne te quaesiveris extra
Motto Translation: Seek nothing beyond your sphere.
- MacLysaght, Edward, The Surnames of Ireland. Ireland: Irish Academic Press, sixth edition, 1985. Print. (ISBN 0-7165-2366-3)
- Smith, George (ed), Dictionary of National Biography. London: Smith, Elder & Co., 1885-1900. Print
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