IrelandIrish names tend to vary widely in their spelling and overall form. The original Gaelic form of the name Ocasio is O Casaide. IF)
The surname Ocasio was first found in Fermanagh (Irish: Fear Manach) in the southwestern part of Northern Ireland, Province of Ulster, where the Irish sept claims direct descent from the Irish King Colla da Crioch who was banished from Ireland in 327. [1]
This web page shows only a small excerpt of our Ocasio research. Another 96 words (7 lines of text) covering the years 1143, 1143 and 1740 are included under the topic Early Ocasio History in all our PDF Extended History products and printed products wherever possible.
Irish names were rarely spelled consistently in the Middle Ages. Spelling variations of the name Ocasio dating from that time include Cassidy, Cassady, Cassiday, Cassedy, Cassedey and others.
More information is included under the topic Early Ocasio Notables in all our PDF Extended History products and printed products wherever possible.
In the United States, the name Ocasio is the 3,384th most popular surname with an estimated 9,948 people with that name. [2]
To escape the religious and political discrimination they experienced primarily at the hands of the English, thousands of Irish left their homeland in the 19th century. These migrants typically settled in communities throughout the East Coast of North America, but also joined the wagon trains moving out to the Midwest. Ironically, when the American War of Independence began, many Irish settlers took the side of England, and at the war's conclusion moved north to Canada. These United Empire Loyalists, were granted land along the St. Lawrence River and the Niagara Peninsula. Other Irish immigrants settled in Newfoundland, the Ottawa Valley, New Brunswick and Nova Scotia. The greatest influx of Irish immigrants, however, came to North America during the Great Potato Famine of the late 1840s. Thousands left Ireland at this time for North America and Australia. Many of those numbers, however, did not live through the long sea passage. These Irish settlers to North America were immediately put to work building railroads, coal mines, bridges, and canals. 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 Ocasio or a variant listed above, including: Patrick Cassidy who settled in Rhode Island, and later moved to Norwich in Connecticut, where he became one of America's first surgeons. Edward, Hugh, James, John, Patrick, Thomas and William Cassady who all arrived in Philadelphia between 1840 and 1865.
