While the Anglicized versions of Irish names are familiar to most people, many Irish names have a long and proud Gaelic heritage that is often unknown. The original Gaelic form of the name O'Costegan is Mac Oistigin which is probably derived from the pet form of the English name Roger, which is Hodgkin.
Early Origins of the O'Costegan family
The surname O'Costegan was first found in Leix
(Irish: Laois) formerly known as Queen's County, located in central Ireland
, in Leinster
Province, where they held a family seat
from ancient times.
Early History of the O'Costegan family
This web page shows only a small excerpt of our O'Costegan research.Another 97 words (7 lines of text) covering the years 103 and 1039 are included under the topic Early O'Costegan History in all our PDF Extended History products and printed products wherever possible.
O'Costegan Spelling Variations
The spelling of names in Ireland
during the Middle Ages was rarely consistent. This inconsistency was due to the scribes and church officials' attempts to record orally defined names in writing. The common practice of recording names as they sounded resulted in spelling variations
such as Costigan, Costigen, Costigin, McCostigan and others.
Early Notables of the O'Costegan family (pre 1700)
More information is included under the topic Early O'Costegan Notables in all our PDF Extended History products
and printed products wherever possible.
Migration of the O'Costegan family to the New World and Oceana
In the late 18th century, Irish families
began emigrating to North America in the search of a plot of land to call their own. This pattern of emigration grew steadily until the 1840s when the Great Potato Famine
of the 1840s cause thousands of Irish to flee the death and disease that accompanied the disaster. Those that made it alive to the shores of the United States and British North America (later to become Canada) were, however, instrumental in the development of those two powerful nations. Many of these Irish immigrants proudly bore the name of O'Costegan: Michael, James, Joseph, Lawrence, Patt, Thomas (three of this name), and William Costigan, who arrived in Philadelphia, Pennsylvania between 1850 and 1870.