Mulroney last name popularity, history, and meaning

Find out how popular the last name Mulroney is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named Mulroney.

Meaning of Mulroney

An Anglicized form of the Irish surname Ó Maolruanaidh meaning "descendant of the tonsured one."

Mulroney, like all of the last names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Mulroney surname is from the 2010 census data.

Popularity of Mulroney in America

Mulroney is the 56444th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Mulroney surname appeared 362 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 people would have the surname Mulroney.

We can also compare 2010 data for Mulroney to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

2010 2000 Change (%)
Rank 56444 54385 3.72%
Count 362 355 1.95%
Proportion per 100k 0.12 0.13 -8.00%

The history of the last name Mulroney

The surname Mulroney has its origins in Ireland, traced back to the Gaelic O'Maolruanaidh clan. The name is derived from the Irish words "maol" meaning "bald" and "ruanaidh" meaning "champion." It is believed that the name originated in County Roscommon in the 16th century.

One of the earliest recorded instances of the name Mulroney can be found in the Annals of the Four Masters, a chronicle of medieval Irish history. In 1596, a reference is made to "Maolruanaidh mac Conchobhair," a member of the O'Maolruanaidh clan.

The Mulroney name has been associated with several notable individuals throughout history. In the 17th century, Terence Mulroney was a prominent Irish Catholic landowner and supporter of the Jacobite cause. He was born in County Mayo in 1640 and died in 1713.

In the 19th century, John Mulroney (1826-1901) was an Irish-born Canadian politician and lawyer. He served as a member of the Legislative Assembly of Ontario and was a prominent figure in the early days of Canadian Confederation.

Another notable bearer of the Mulroney name was Brian Mulroney (born 1939), a Canadian politician who served as the 18th Prime Minister of Canada from 1984 to 1993. He played a significant role in negotiating the Canada-United States Free Trade Agreement and the North American Free Trade Agreement (NAFTA).

In the world of literature, author and poet Mary Mulroney (1860-1941) was born in County Sligo, Ireland, and published several collections of poetry and short stories during her lifetime.

The name Mulroney has also been associated with various place names, such as Mulroney's Townland in County Roscommon, Ireland, and Mulroney Park in St. John's, Newfoundland, Canada.

Race and ethnic origin of people with the last name Mulroney

We also have some data on the ancestry of people with the surname Mulroney.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups:

  1. White only
  2. Black only
  3. American Indian and Alaskan Native only
  4. Asian and Pacific Islander only
  5. Hispanic
  6. Two or More Races

For the most recent 2010 census data, the race/ethnic origin breakdown for Mulroney was:

Race/Ethnicity Percentage Total Occurrences
Non-Hispanic White Only 95.58% 346
Non-Hispanic Black Only (S)% (S)
Non-Hispanic Asian and Pacific Islander Only 0.00% 0
Non-Hispanic American Indian and Alaskan Native (S)% (S)
Non-Hispanic of Two or More Races (S)% (S)
Hispanic Origin 2.21% 8

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Mulroney has changed in the 10 years between the two census surveys.

2010 2000 Change (%)
White 95.58% 96.90% -1.37%
Black (S)% (S)% (S)%
Asian and Pacific Islander 0.00% (S)% (S)%
American Indian and Alaskan Native (S)% 0.00% (S)%
Two or More Races (S)% (S)% (S)%
Hispanic 2.21% 1.41% 44.20%

Data source

The last name data and ethnic breakdown of last names is sourced directly from the Decennial Census survey, conducted every 10 years by the United States Census Bureau.

The history and meaning of the name Mulroney was researched and written by our team of onomatology and genealogy experts.

If you have a correction or suggestion to improve the history of Mulroney, please contact us.

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"Mulroney last name popularity, history, and meaning". NameCensus.com. Accessed on July 16, 2025. http://namecensus.com/last-names/mulroney-surname-popularity/.

"Mulroney last name popularity, history, and meaning". NameCensus.com, http://namecensus.com/last-names/mulroney-surname-popularity/. Accessed 16 July, 2025

Mulroney last name popularity, history, and meaning. NameCensus.com. Retrieved from http://namecensus.com/last-names/mulroney-surname-popularity/.

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