Find out how popular the last name DeTommaso is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named DeTommaso.
An Italian surname derived from the given name Tommaso, meaning "twin".
DeTommaso, 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 DeTommaso surname is from the 2010 census data.
DeTommaso is the 89069th most popular name in America based on the data we have collected from the U.S. Census Bureau.
The DeTommaso surname appeared 208 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 DeTommaso.
We can also compare 2010 data for DeTommaso 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 | 89069 | 80216 | 10.46% |
Count | 208 | 220 | -5.61% |
Proportion per 100k | 0.07 | 0.08 | -13.33% |
The surname DETOMMASO has its origins in Italy, specifically in the southern regions of the country. It is believed to have emerged during the Renaissance period, around the 15th or 16th century.
One of the earliest known references to the name DETOMMASO can be found in the historical records of the city of Naples. In a document dated 1482, a merchant named Giovanni DETOMMASO is mentioned, indicating the presence of this surname in the area at that time.
The name DETOMMASO is a patronymic surname, meaning it is derived from the personal name "Tommaso," which is the Italian equivalent of the English name "Thomas." It is likely that the prefix "de" was added to the name, indicating a person's place of origin or relationship to a particular location.
In the 16th century, a prominent figure bearing the name DETOMMASO was Antonio DETOMMASO, a renowned painter from the city of Lecce in the Apulia region. He was born in 1520 and is known for his religious works, many of which can still be found in churches throughout southern Italy.
Another notable individual with the surname DETOMMASO was Francesco DETOMMASO, a scholar and philosopher who lived in the 17th century. He was born in Bari in 1635 and gained recognition for his writings on metaphysics and ethics.
During the 18th century, the DETOMMASO family was recorded as having landholdings in the Campania region, particularly in the area surrounding the town of Avellino. This suggests that the family had achieved a certain degree of wealth and status by that time.
In the 19th century, a notable figure bearing the DETOMMASO surname was Giuseppe DETOMMASO, a political activist and revolutionary who fought for the unification of Italy. He was born in Naples in 1815 and played a significant role in the Risorgimento movement.
Over the centuries, the name DETOMMASO has undergone slight variations in spelling, such as DeTommaso, De Tommaso, and Di Tommaso. However, these variations are largely regional and do not significantly alter the meaning or origin of the surname.
We also have some data on the ancestry of people with the surname DeTommaso.
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:
For the most recent 2010 census data, the race/ethnic origin breakdown for DeTommaso was:
Race/Ethnicity | Percentage | Total Occurrences |
---|---|---|
Non-Hispanic White Only | 92.31% | 192 |
Non-Hispanic Black Only | (S)% | (S) |
Non-Hispanic Asian and Pacific Islander Only | 0.00% | 0 |
Non-Hispanic American Indian and Alaskan Native | 0.00% | 0 |
Non-Hispanic of Two or More Races | (S)% | (S) |
Hispanic Origin | 6.73% | 14 |
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 DeTommaso has changed in the 10 years between the two census surveys.
2010 | 2000 | Change (%) | |
---|---|---|---|
White | 92.31% | 94.09% | -1.91% |
Black | (S)% | (S)% | (S)% |
Asian and Pacific Islander | 0.00% | 0.00% | 0.00% |
American Indian and Alaskan Native | 0.00% | 0.00% | 0.00% |
Two or More Races | (S)% | (S)% | (S)% |
Hispanic | 6.73% | 5.00% | 29.50% |
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 DeTommaso was researched and written by our team of onomatology and genealogy experts.
If you have a correction or suggestion to improve the history of DeTommaso, please contact us.
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<a href="http://namecensus.com/last-names/detommaso-surname-popularity/">DeTommaso last name popularity, history, and meaning</a>
"DeTommaso last name popularity, history, and meaning". NameCensus.com. Accessed on July 11, 2025. http://namecensus.com/last-names/detommaso-surname-popularity/.
"DeTommaso last name popularity, history, and meaning". NameCensus.com, http://namecensus.com/last-names/detommaso-surname-popularity/. Accessed 11 July, 2025
DeTommaso last name popularity, history, and meaning. NameCensus.com. Retrieved from http://namecensus.com/last-names/detommaso-surname-popularity/.
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