. The original Gaelic form of the name MacCosky is Mag Uidhir, which is derived from the word odhar, meaning dun-colored; in the genitive case, the word is uidhir.
, Province of Ulster.
This web page shows only a small excerpt of our MacCosky research.Another 183 words (13 lines of text) are included under the topic Early MacCosky History in all our PDF Extended History products and printed products wherever possible.
Within the archives researched, many different spelling variations
of the surname MacCosky were found. These included One reason for the many variations is that scribes and church officials often spelled an individual's name as it sounded. This imprecise method often led to many versions. MacCosker, MacCusker, MacOsker, MacOscar and many more.
The 19th century saw a great wave of Irish families
for the distant shores of North America and Australia
. These families often left their homeland hungry, penniless, and destitute do to the policies of England
. Those Irish immigrants that survived the long sea passage initially settled on the eastern seaboard of the continent. Some, however, moved north to a then infant Canada as United Empire Loyalists after ironically serving with the English in the American War of Independence
. Others that remained in America later joined the westward migration in search of land. The greatest influx of Irish immigrants, though, came to North America during the Great Potato Famine
of the late 1840s. Thousands left Ireland
at this time for North America, and those who arrived were immediately put to work building railroads, coal mines, bridges, and canals. In fact, the foundations of today's powerful nations of the United Sates and Canada were to a larger degree built by the Irish. Archival documents indicate that members of the MacCosky family relocated to North American shores quite early: Edward, Francis, Hugh, James, John, Michael, Patrick, Thomas MacCosker all arrived in Philadelphia between 1840 and 1860; Anthony, Bernard, Edward, Hugh, James, John, Mathew, Michael, Owen, Patrick, Terrence and Thomas MacCusker all arrived in Philadelphia between 1840 and 1860.