Deroy last name popularity, history, and meaning

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

Meaning of Deroy

A surname likely derived from the French phrase "de roy" meaning "of the king."

Deroy, 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 Deroy surname is from the 2010 census data.

Popularity of Deroy in America

Deroy is the 39052nd most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Deroy surname appeared 564 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 Deroy.

We can also compare 2010 data for Deroy 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 39052 32460 18.44%
Count 564 668 -16.88%
Proportion per 100k 0.19 0.25 -27.27%

The history of the last name Deroy

The surname DEROY is of French origin, derived from the Old French words "de" meaning "of" and "roy" meaning "king." It likely originated in the northwestern region of France during the Middle Ages, around the 12th or 13th century.

One of the earliest recorded instances of the DEROY name can be found in the Cartulaire de Notre-Dame de Chartres, a collection of medieval charters and deeds from the Chartres Cathedral in northern France, dating back to the 12th century. The name may have initially referred to someone who lived or worked on lands owned by the king or a member of the royal family.

In the 14th century, a prominent figure named Jean DEROY was mentioned in the Chronicles of Froissart, a historical work that documented the Hundred Years' War between England and France. Jean DEROY was a French knight who fought alongside King John II during the Battle of Poitiers in 1356.

During the Renaissance period, a notable DEROY was Jeanne DEROY (1516-1590), a French noblewoman and author who wrote several works on religion and morality. She was a staunch supporter of the Catholic faith during the tumultuous years of the French Wars of Religion.

In the 17th century, a French explorer named Pierre DEROY (1620-1687) was among the early settlers in the French colony of Acadia, now part of eastern Canada. He is recognized as one of the founders of the Acadian community in North America.

Another historical figure with the DEROY surname was Jacques DEROY (1735-1810), a French mathematician and astronomer. He made significant contributions to the fields of celestial mechanics and the calculation of planetary orbits.

Throughout history, variations of the DEROY name have included DeRoy, DeRoye, and Deroy. The name has also been associated with various place names in France, such as Deroy-le-Châtel and Deroy-la-Ville, which may have influenced its spelling and regional distribution.

Race and ethnic origin of people with the last name Deroy

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

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 Deroy was:

Race/Ethnicity Percentage Total Occurrences
Non-Hispanic White Only 88.30% 498
Non-Hispanic Black Only 6.38% 36
Non-Hispanic Asian and Pacific Islander Only (S)% (S)
Non-Hispanic American Indian and Alaskan Native (S)% (S)
Non-Hispanic of Two or More Races 1.42% 8
Hispanic Origin 2.30% 13

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 Deroy has changed in the 10 years between the two census surveys.

2010 2000 Change (%)
White 88.30% 91.77% -3.85%
Black 6.38% 4.04% 44.91%
Asian and Pacific Islander (S)% (S)% (S)%
American Indian and Alaskan Native (S)% (S)% (S)%
Two or More Races 1.42% 2.10% -38.64%
Hispanic 2.30% 1.50% 42.11%

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 Deroy was researched and written by our team of onomatology and genealogy experts.

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

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"Deroy last name popularity, history, and meaning". NameCensus.com. Accessed on July 12, 2025. http://namecensus.com/last-names/deroy-surname-popularity/.

"Deroy last name popularity, history, and meaning". NameCensus.com, http://namecensus.com/last-names/deroy-surname-popularity/. Accessed 12 July, 2025

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

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