Show ContentsDays History, Family Crest & Coats of Arms

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

Early Origins of the Days family

The surname Days 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 Days family

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

Days Spelling Variations

The search for the origins of the name Days family name revealed numerous spelling variations. These variants can be somewhat accounted for when it is realized that before widespread literacy people only recognized their name by pronunciation; it was up to scribes to decide how it was to be formally recorded. Variations found include Day, Dea, O'Dea and others.

Early Notables of the Days 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 Days Notables in all our PDF Extended History products and printed products wherever possible.

Days Ranking

In the United States, the name Days is the 16,200th most popular surname with an estimated 2,487 people with that name. 2


United States Days migration to the United States +

Ireland saw an enormous decrease in its population in the 19th century due to immigration and death. This pattern of immigration began slowly in the late 18th century and gradually grew throughout the early portion of the 19th century. However, a dramatic increase in the country's immigration numbers occurred when the Great Potato Famine struck in the 1840s. The early immigrants to North America were primarily destined to be farmers tending to their own plot of land, those that came later initially settled within pre-established urban centers. These urban immigrants provided the cheap labor that the fast developing United States and soon to be Canada required. Regardless of their new lifestyle in North America, the Irish immigrants to the United States and Canada made invaluable contributions to their newly adopted societies. An investigation of immigrant and passenger lists revealed many Dayss:

Days Settlers in United States in the 17th Century
  • Henry Days, who arrived in Maryland in 1659 3
Days Settlers in United States in the 19th Century
  • Isaac Days, who arrived in New York in 1839 3

Canada Days migration to Canada +

Some of the first settlers of this family name were:

Days Settlers in Canada in the 18th Century
  • Mr. Thomas Days U.E. who settled in Carleton [Saint John City], New Brunswick c. 1784 4

Contemporary Notables of the name Days (post 1700) +

  • Rita Days, American Democratic Party politician, Delegate to Democratic National Convention from Missouri, 1996 5
  • Regiuel James Days, American Democratic Party politician, Delegate to Democratic National Convention from Louisiana, 1996 5
  • John M. Days (1831-1901), American Republican politician, Member of California State Assembly 21st District, 1867-69, 1871-73; Member of California State Senate 13th District, 1885 5
  • Drew Saunders III Days, American Democratic Party politician, U.S. Solicitor General, 1993-96 5
  • Bob Days, American Libertarian politician, Candidate for U.S. Senator from Nevada, 1994 5


  1. MacLysaght, Edward, The Surnames of Ireland. Ireland: Irish Academic Press, sixth edition, 1985. Print. (ISBN 0-7165-2366-3)
  2. "What are the 5,000 Most Common Last Names in the U.S.?". NameCensus.com, https://namecensus.com/last-names/
  3. Filby, P. William, Meyer, Mary K., Passenger and immigration lists index : a guide to published arrival records of about 500,000 passengers who came to the United States and Canada in the seventeenth, eighteenth, and nineteenth centuries. 1982-1985 Cumulated Supplements in Four Volumes Detroit, Mich. : Gale Research Co., 1985, Print (ISBN 0-8103-1795-8)
  4. Rubincam, Milton. The Old United Empire Loyalists List. Genealogical Publishing Co., Inc, 1976. (Originally published as; United Empire Loyalists. The Centennial of the Settlement of Upper Canada. Rose Publishing Company, 1885.) ISBN 0-8063-0331-X
  5. The Political Graveyard: Alphabetical Name Index. (Retrieved 2016, January 12) . Retrieved from http://politicalgraveyard.com/alpha/index.html


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