DeTomaso last name popularity, history, and meaning

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

Meaning of DeTomaso

An Italian surname referring to the apostle Thomas.

DeTomaso, 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 DeTomaso surname is from the 2010 census data.

Popularity of DeTomaso in America

DeTomaso is the 85049th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The DeTomaso surname appeared 220 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 DeTomaso.

We can also compare 2010 data for DeTomaso 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 85049 81414 4.37%
Count 220 216 1.83%
Proportion per 100k 0.07 0.08 -13.33%

The history of the last name DeTomaso

The surname DETOMASO finds its origins in Italy, specifically in the northern regions of the country. The name can be traced back to the 13th century, originating from the Latin phrase "de Tomaso," which translates to "of Thomas." This suggests that the name was initially used to identify someone as being a descendant or follower of an individual named Thomas.

The earliest recorded instances of the DETOMASO surname can be found in various historical documents from the medieval period, including tax records, land deeds, and church registries. One notable example is the mention of a Guglielmo DeTomaso in a manuscript dated 1274, which detailed property transactions in the city of Milan.

During the Renaissance period, the DETOMASO name gained prominence in certain parts of Italy. A notable figure from this era was Gian Carlo DeTomaso, a renowned painter born in Verona in 1492. His works can still be admired in several churches and galleries throughout Northern Italy.

In the 17th century, the name appeared in records related to the Italian Wars of Independence. A military commander named Antonio DeTomaso is mentioned in chronicles of the battles fought against the Austrian Empire in the 1840s.

As Italian families began to migrate to other parts of the world, the DETOMASO surname spread beyond its homeland. One such individual was Alfredo DeTomaso, born in Modena in 1853, who later emigrated to Argentina and became a successful businessman and landowner.

Another notable bearer of the DETOMASO name was Adriana DeTomaso, a celebrated opera singer from Milan. Born in 1875, she performed on some of the most prestigious stages in Europe during the late 19th and early 20th centuries.

While the DETOMASO surname has its roots in Italy, it has since been adopted by families in various other countries, particularly in North and South America, due to the widespread Italian diaspora over the centuries.

Race and ethnic origin of people with the last name DeTomaso

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

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 DeTomaso was:

Race/Ethnicity Percentage Total Occurrences
Non-Hispanic White Only 90.00% 198
Non-Hispanic Black Only 0.00% 0
Non-Hispanic Asian and Pacific Islander Only (S)% (S)
Non-Hispanic American Indian and Alaskan Native 0.00% 0
Non-Hispanic of Two or More Races (S)% (S)
Hispanic Origin 8.64% 19

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

2010 2000 Change (%)
White 90.00% 93.06% -3.34%
Black 0.00% (S)% (S)%
Asian and Pacific Islander (S)% (S)% (S)%
American Indian and Alaskan Native 0.00% 0.00% 0.00%
Two or More Races (S)% 2.31% (S)%
Hispanic 8.64% 3.24% 90.91%

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

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

Reference this page

We spend a lot of resources downloading, cleaning, merging, and formatting the data that is shown on the site.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!

"DeTomaso last name popularity, history, and meaning". NameCensus.com. Accessed on July 11, 2025. http://namecensus.com/last-names/detomaso-surname-popularity/.

"DeTomaso last name popularity, history, and meaning". NameCensus.com, http://namecensus.com/last-names/detomaso-surname-popularity/. Accessed 11 July, 2025

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

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