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O'Day History Early Origins Early History Spelling Variations Early Notables Ranking

Contemporary Notables Related Stories Citations

O'Day History, Family Crest & Coats of Arms

Origins Available:
France
Ireland

All Irish surnames have a unique and often romantic meaning. The name O'Day originally appeared in Gaelic as Ó Deaghaidh or Ó Diaghaidh. 1

Early Origins of the O'Day family

The surname O'Day was first found in County Clare (Irish: An Clár) located on the west coast of Ireland in the province of Munster, where O'Dea was chief of Dysart-O'Dea, now the parish of Dysart, barony of Inchiquin, one of the original chiefs and clans of ancient Thomond. Today Dysert O'Dea Castle still stands near Corofin, County Clare with its Romanesque Doorway and High Cross and was the site of the Battle of Dysert O'Dea in 1318. It was here that the Irish chieftain Conor O'Dea, chief of the Cineal Fearmaic and ally of Murtough O'Brien, stood his ground only to be defeated by the invading forces from Scotland.

Early History of the O'Day family

This web page shows only a small excerpt of our O'Day research. Another 137 words (10 lines of text) covering the years 1318 and 1434 are included under the topic Early O'Day History in all our PDF Extended History products and printed products wherever possible.

O'Day Spelling Variations

The recording of names in Ireland in the Middle Ages was an inconsistent endeavor at best. The many regional dialects and the predominate illiteracy would have made common surnames appear unrelated to the scribes of the period. Research into the name O'Day revealed spelling variations, including Day, Dea, O'Dea and others.

Early Notables of the O'Day family

Notable among the family name at this time was Most Rev. Thomas O'Dea; and Cornelius O'Dea (d. 1434), Archdeacon of Killaloe and later Bishop of Limerick. Three items of his have survived over the centuries: his Mitre, Crozier and a manuscript now entitled "The Black Book of Limerick." Today, they are all kept in Limerick's Hunt Museum. "According to a legend Bishop Cornelius O'Dea went to Dublin to attend a synod of bishops without his...
Another 74 words (5 lines of text) are included under the topic Early O'Day Notables in all our PDF Extended History products and printed products wherever possible.

O'Day Ranking

In the United States, the name O'Day is the 8,624^th most popular surname with an estimated 2,487 people with that name. 2

O'Day migration to the United States +

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'Day:

O'Day Settlers in United States in the 19th Century

James O'Day, who settled in America, in 1892
Danial O'Day, aged 22, who landed in America, in 1893
Alice O'Day, aged 26, who landed in America, in 1895
Daniel O'Day, aged 50, who settled in America, in 1896
Fanny O'Day, aged 24, who immigrated to the United States, in 1896
... (More are available in all our PDF Extended History products and printed products wherever possible.)

O'Day Settlers in United States in the 20th Century

George O'Day, aged 26, who landed in America from Tullycrine Co. Clare, in 1905
John O'Day, aged 7, who immigrated to the United States, in 1905
Geraldine O'Day, aged 18, who immigrated to the United States, in 1906
Edward F. O'Day, aged 24, who settled in America, in 1908
David C O'Day, aged 50, who landed in America, in 1910
... (More are available in all our PDF Extended History products and printed products wherever possible.)

O'Day migration to Canada +

Some of the first settlers of this family name were:

O'Day Settlers in Canada in the 19th Century

Dennis O'Day, aged 40, a farmer, who arrived in Saint John, New Brunswick in 1833 aboard the brig "Trafalgar" from Liverpool, England

O'Day migration to New Zealand +

Emigration to New Zealand followed in the footsteps of the European explorers, such as Captain Cook (1769-70): first came sealers, whalers, missionaries, and traders. By 1838, the British New Zealand Company had begun buying land from the Maori tribes, and selling it to settlers, and, after the Treaty of Waitangi in 1840, many British families set out on the arduous six month journey from Britain to Aotearoa to start a new life. Early immigrants include:

O'Day Settlers in New Zealand in the 19th Century

Elizabeth O'Day, aged 21, a housemaid, who arrived in Wellington, New Zealand aboard the ship "Douglas" in 1873

Contemporary Notables of the name O'Day (post 1700) +

Pat O'Day (1934-2020), American broadcaster and concert promoter in the Pacific Northwest
Daniel O'Day, one of northwestern Pennsylvania's earliest independent refiners to be brought into John D. Rockefeller's Standard Oil Company
Nell O'Day (1909-1989), American equestrian and B-movie actress of the 1930s and 1940s
Marcus Driver O'Day (1897-1961), American physicist, eponym of the O'Day lunar crater
Molly O'Day (1911-1998), born Suzanne Dobson Noonan, an American film actress, known for The Patent Leather Kid (1927), Sea Devils (1931) and Chloe, Love Is Calling You (1934); she has a Star on the Walk of Fame
Caroline Love Goodwin O'Day (1875-1943), American politician, the third woman, and first woman Democrat, elected to Congress from New York
Darren O'Day (b. 1982), American Major League Baseball relief pitcher for the Texas Rangers
Alan O'Day (1940-2013), American singer-songwriter, best known for writing and singing "Undercover Angel," an American No. 1 hit in 1977
Hank O'Day (1862-1935), American right-handed pitcher, umpire and manager in Major League Baseball
George O'Day (1923-1987), American sailor, Olympic champion and boat designer
... (Another 5 notables are available in all our PDF Extended History products and printed products wherever possible.)

Citations +

MacLysaght, Edward, The Surnames of Ireland. Ireland: Irish Academic Press, sixth edition, 1985. Print. (ISBN 0-7165-2366-3)
"What are the 5,000 Most Common Last Names in the U.S.?". NameCensus.com, https://namecensus.com/last-names/