Show ContentsMcCool History, Family Crest & Coats of Arms

Irish names tend to vary widely in their spelling and overall form. The original Gaelic form of the name McCool is Mac Giolla Chuille. Cuille has been suggested to be an abbreviation of Mochuille, the name of a saint. However, other origins also exist for this name.

Early Origins of the McCool family

The surname McCool was first found in Ulster (Irish: Ulaidh), where they held a family seat from very ancient times.

Early History of the McCool family

This web page shows only a small excerpt of our McCool research. Another 119 words (8 lines of text) covering the years 1618, 1667, 1743 and 1809 are included under the topic Early McCool History in all our PDF Extended History products and printed products wherever possible.

McCool Spelling Variations

Over the years, McCool has been written It appears under these variations because medieval scribes spelled names according to sound rather than by any over-arching set of rules. Cooley, Cooling, Cowley, Cully, Colly, McCooley, Coaley, Coolyng, Couley, Colley, McCowley, Cooleng, McCoolay, Coolay, Collay, Cullay, Cowleigh, Culleigh and many more.

Early Notables of the McCool family

More information is included under the topic Early McCool Notables in all our PDF Extended History products and printed products wherever possible.

McCool Ranking

In the United States, the name McCool is the 3,836th most popular surname with an estimated 7,461 people with that name. 1


United States McCool migration to the United States +

When these Boernician-Scottish settlers arrived in North America they brought little with them and often had restart their lives from scratch. Through time, much of their heritage was lost, and it is only this century through Clan societies and highland games that many have recovered their national heritage. Research into various historical records has revealed some of first members of the McCool family to immigrate North America:

McCool Settlers in United States in the 19th Century
  • Mary McCool, aged 45, who arrived in Baltimore, Maryland in 1803 2
  • John McCool, who landed in Washington County, Pennsylvania in 1813 2
  • James McCool, who landed in New York, NY in 1816 2
  • Daniel McCool, aged 35, who immigrated to the United States, in 1895
  • Hugh McCool, aged 28, who settled in America from Ruthaglen, in 1899
McCool Settlers in United States in the 20th Century
  • Celia McCool, aged 24, who landed in America from Donegal, in 1902
  • Bridget McCool, aged 28, who landed in America from Donegal, in 1902
  • Annie McCool, aged 36, who landed in America from Derry, in 1903
  • Charles McCool, aged 21, who settled in America from Co. Donegal, in 1903
  • Hannah McCool, aged 35, who landed in America from Donegal, in 1903
  • ... (More are available in all our PDF Extended History products and printed products wherever possible.)

Canada McCool migration to Canada +

Some of the first settlers of this family name were:

McCool Settlers in Canada in the 18th Century
  • Mrs. Margaret McCool U.E. who settled in Canada c. 1784 3
McCool Settlers in Canada in the 19th Century
  • Patrick McCool, aged 24, a labourer, who arrived in Saint John, New Brunswick aboard the ship "William" in 1834
  • Edward McCool, aged 21, a labourer, who arrived in Saint John, New Brunswick aboard the ship "Ambassador" in 1834
  • John McCool, aged 24, a farmer, who arrived in Saint John, New Brunswick aboard the ship "Perseus" in 1834
  • Unity McCool, aged 24, who arrived in Saint John, New Brunswick aboard the ship "Perseus" in 1834
  • Kitty McCool, aged under 1, who arrived in Saint John, New Brunswick aboard the ship "Perseus" in 1834
  • ... (More are available in all our PDF Extended History products and printed products wherever possible.)

Australia McCool migration to Australia +

Emigration to Australia followed the First Fleets of convicts, tradespeople and early settlers. Early immigrants include:

McCool Settlers in Australia in the 19th Century
  • Fanny McCool, aged 24, a servant, who arrived in South Australia in 1855 aboard the ship "Glentanner" 4

Contemporary Notables of the name McCool (post 1700) +

  • Courtney Lynn McCool (b. 1988), American Olympic gymnast
  • Michelle Leigh McCool (b. 1980), retired American professional wrestler
  • William John McCool (b. 1944), American Major League Baseball pitcher named a National League All-Star in 1966 5
  • William Cameron McCool (1961-2003), American NASA pilot of the Space Shuttle Columbia when it broke up during re-entry 6
  • Lieutenant Richard Miles McCool (1922-2008), American Navy Officer awarded the Congressional Medal of Honor in 1945 for his actions during the Battle of Okinawa 7
  • Lois McCool, American Republican politician, Presidential Elector for Washington, 1956 8
  • John M. McCool, American politician, Member of Minnesota State House of Representatives 11th District, 1870-71 8
  • J. F. McCool, American Democratic Party politician, Delegate to Democratic National Convention from Mississippi, 1888 8
  • Daniel McCool, American Republican politician, Candidate in primary for Texas State Senate 11th District, 2012 8
  • Mrs. D. C. McCool, American Democratic Party politician, Alternate Delegate to Democratic National Convention from Mississippi, 1928 8
  • ... (Another 11 notables are available in all our PDF Extended History products and printed products wherever possible.)


  1. "What are the 5,000 Most Common Last Names in the U.S.?". NameCensus.com, https://namecensus.com/last-names/
  2. 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)
  3. 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
  4. South Australia Passengerlists (Retrieved 10th November 2010). Retrieved from https://archives.sa.gov.au/sites/default/files/documentstore/passengerlists/1855/GRG35_48_1_55-35_Glentanner.pdf
  5. William McCool. (Retrieved 2011, January 18) William McCool. Retrieved from http://en.wikipedia.org/wiki/Billy_McCool
  6. NASA Astronauts Homepage. (Retrieved 2010, September 27) William McCool. Retrieved from http://www.jsc.nasa.gov/Bios/htmlbios/mccool.html
  7. Richard McCool. (Retrieved 2010, September 27) Richard McCool. Retrieved from http://en.wikipedia.org/wiki/Richard_McCool
  8. The Political Graveyard: Alphabetical Name Index. (Retrieved 2016, January 20) . Retrieved from http://politicalgraveyard.com/alpha/index.html


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