Find out how popular the last name Deccio is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named Deccio.
A surname derived from the medieval Italian term "decimo" meaning "tenth child".
Deccio, 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 Deccio surname is from the 2010 census data.
Deccio is the 136449th most popular name in America based on the data we have collected from the U.S. Census Bureau.
The Deccio surname appeared 123 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 Deccio.
We can also compare 2010 data for Deccio 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 | 136449 | 143847 | -5.28% |
| Count | 123 | 106 | 14.85% |
| Proportion per 100k | 0.04 | 0.04 | 0.00% |
The surname DECCIO has its origins in Italy, specifically in the northern regions of the country. It is believed to have derived from the Latin word "decem," meaning "ten," and may have been used as a nickname or occupational name for someone who worked with numbers or collected tithes.
The earliest recorded instances of the DECCIO surname can be traced back to the 13th century, with mentions found in various municipal records and chronicles from cities such as Genoa and Milan. One notable example is a document from 1287 that refers to a certain "Guglielmo Deccio," a merchant from Genoa.
During the Renaissance period, the DECCIO name gained prominence in the region of Lombardy, where it was associated with several families of noble descent. In the 16th century, a branch of the Deccio family settled in the town of Vigevano, near Pavia, and produced several notable individuals, including Girolamo Deccio (1525-1591), a renowned jurist and legal scholar.
Another prominent figure bearing the DECCIO surname was Giovanni Battista Deccio (1617-1683), a Jesuit priest and mathematician from Milan. He was renowned for his work in the field of optics and is credited with developing one of the earliest compound microscopes.
In the 18th century, the DECCIO name appeared in the records of the Venetian Republic, where a certain Alvise Deccio (1722-1799) served as a diplomat and ambassador to various European courts.
Over the centuries, the DECCIO surname has also been associated with several place names in northern Italy, such as the town of Deccio in the province of Pavia, and the village of Decciotto near Bergamo.
Other notable individuals with the DECCIO surname include:
We also have some data on the ancestry of people with the surname Deccio.
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 Deccio was:
| Race/Ethnicity | Percentage | Total Occurrences |
|---|---|---|
| Non-Hispanic White Only | 89.43% | 110 |
| Non-Hispanic Black Only | (S)% | (S) |
| 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 | 5.69% | 7 |
| Hispanic Origin | 4.07% | 5 |
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 Deccio has changed in the 10 years between the two census surveys.
| 2010 | 2000 | Change (%) | |
|---|---|---|---|
| White | 89.43% | 91.51% | -2.30% |
| Black | (S)% | (S)% | (S)% |
| Asian and Pacific Islander | (S)% | 0.00% | (S)% |
| American Indian and Alaskan Native | 0.00% | 0.00% | 0.00% |
| Two or More Races | 5.69% | 4.72% | 18.64% |
| Hispanic | 4.07% | (S)% | (S)% |
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 Deccio was researched and written by our team of onomatology and genealogy experts.
If you have a correction or suggestion to improve the history of Deccio, please contact us.
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<a href="http://namecensus.com/last-names/deccio-surname-popularity/">Deccio last name popularity, history, and meaning</a>
"Deccio last name popularity, history, and meaning". NameCensus.com. Accessed on December 28, 2025. http://namecensus.com/last-names/deccio-surname-popularity/.
"Deccio last name popularity, history, and meaning". NameCensus.com, http://namecensus.com/last-names/deccio-surname-popularity/. Accessed 28 December, 2025
Deccio last name popularity, history, and meaning. NameCensus.com. Retrieved from http://namecensus.com/last-names/deccio-surname-popularity/.
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