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

DeRocco, 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 DeRocco surname is from the 2010 census data.

Popularity of DeRocco in America

DeRocco is the 54752nd most popular name in America based on the data we have collected from the U.S. Census Bureau.

The DeRocco surname appeared 376 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 DeRocco.

We can also compare 2010 data for DeRocco 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.

The history of the last name DeRocco

The surname DEROCCO is of Italian origin, likely derived from the Latin words "de" meaning "from" and "rocco" meaning "rock" or "fortress." It is believed to have originated in the regions of Campania, Calabria, and Sicily during the Middle Ages.

The earliest recorded instances of the name DEROCCO can be traced back to the 12th century, where it appeared in various documents and records from southern Italy. Some of these early references include the Codex Diplomaticus Cavensis, a collection of medieval charters from the Campania region, and the Tabulario della Certosa di San Martino, a compilation of documents related to the Carthusian monastery in Naples.

One of the earliest known individuals with the surname DEROCCO was Guglielmo DEROCCO, a nobleman from the city of Salerno, who lived in the late 12th century. He was mentioned in several legal documents and land transactions during that time.

In the 14th century, the name DEROCCO appeared in various records from the Kingdom of Naples, including tax rolls and census documents. One notable individual was Tommaso DEROCCO, a merchant from the town of Amalfi, who was involved in maritime trade in the Mediterranean region.

During the Renaissance period, the DEROCCO family gained prominence in the arts and literature. Giulio DEROCCO (1524-1592), a poet and playwright from Naples, was renowned for his works in the Neapolitan dialect. His contemporaries included the renowned philosopher Giordano Bruno, who was born in the town of Nola, near Naples.

In the 17th century, the DEROCCO name was associated with the military and nobility. Vincenzo DEROCCO (1612-1678) was a distinguished commander in the Neapolitan army, who fought in several battles during the wars between Spain and France for control of the Italian peninsula.

Other notable individuals with the surname DEROCCO include Raffaele DEROCCO (1784-1859), a prominent architect from Calabria who designed several churches and public buildings in the region, and Gaetano DEROCCO (1822-1898), a political activist and journalist from Sicily who played a role in the Risorgimento movement for Italian unification.

While the DEROCCO surname has its roots in southern Italy, it has since spread to other parts of the country and beyond, with descendants of the original families settling in various regions and countries around the world.

Race and ethnic origin of people with the last name DeRocco

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

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 DeRocco was:

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

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

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

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