O'Killeen History, Family Crest & Coats of Arms
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The Irish surname O'Killeen originally appeared in Gaelic as O Cillin.
Early Origins of the O'Killeen family
The surname O'Killeen 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 held territories was at Ballykilleen since early times. This lofty family were the ancient Chiefs of Fingal, Earls of Fingal and Lords Killeen. Saint Kilian, (also spelled Killian) from the Irish: Cillian, was an Irish missionary bishop and the apostle of Franconia. He was born in Mullagh, County Cavan, and is the patron saint of the parish of Tuosist, in County Kerry. Saint Kilian's feast day is July 8th and St. Kilian's Abbey, at Würzburg is named after him. Today there are two Killeen Castles in Ireland: one located at Dunsany, in County Meath, that dates back to about 1180, but today's structure is a restoration of the 19th century after a fire in 1981. It will include a luxury golf course designed by Jack Nicklaus. The second Killeen Castle is a 17th century castle at Killeen, in Castlegar, County Galway.
Important Dates for the O'Killeen family
This web page shows only a small excerpt of our O'Killeen research. Another 122 words (9 lines of text) covering the years 1180, 1981, 1180 and 1172 are included under the topic Early O'Killeen History in all our PDF Extended History products and printed products wherever possible.
O'Killeen Spelling Variations
Lacking standardized spellings, scribes and church officials recorded people's name according to how they sounded. This practice often led to the misleading result of one person's name being recorded under several different spellings. Numerous spelling variations of the surname O'Killeen are preserved in the archival documents of the period. The various spellings of the name that were found include Killeen, Killen, Killion, Killian, Killin, Gilin, Killan, Killoon, O'Killen, McKillen and many more.
Early Notables of the O'Killeen family (pre 1700)
More information is included under the topic Early O'Killeen Notables in all our PDF Extended History products and printed products wherever possible.
Migration of the O'Killeen family
Suffering from poverty and racial discrimination, thousands of Irish families left the island in the 19th century for North America aboard cramped passenger ships. The early migrants became settlers of small tracts of land, and those that came later were often employed in the new cities or transitional work camps. The largest influx of Irish settlers occurred with Great Potato Famine during the late 1840s. Although the immigrants from this period were often maligned when they arrived in the United States, they provided the cheap labor that was necessary for the development of that country as an industrial power. Early immigration and passenger lists have revealed many immigrants bearing the name O'Killeen: Jenkins Killen, who settled in Virginia in 1805; Alexander, Denis, James, John, Patrick, and Robert Killen, who all arrived in Philadelphia between 1840 and 1860.
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