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

Gregorio, 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 Gregorio surname is from the 2010 census data.

Popularity of Gregorio in America

Gregorio is the 6494th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Gregorio surname appeared 5,228 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 2 people would have the surname Gregorio.

We can also compare 2010 data for Gregorio 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 Gregorio

The surname Gregorio has its origins in the Italian language and can be traced back to the early medieval period in Italy. The name is derived from the Latin name "Gregorius," which means "watchful" or "vigilant." This name was popularized by several early Popes who bore the name Gregory, including Gregory the Great, who reigned from 590 to 604 AD.

One of the earliest recorded instances of the surname Gregorio can be found in the Codex Diplomaticus Cavensis, a collection of medieval documents from the Abbey of Cava in southern Italy, dating back to the 11th century. The surname is also mentioned in various other historical records from different regions of Italy, such as the Codice Diplomatico Longobardo, which contains documents from the Lombard period in northern Italy.

The surname Gregorio is believed to have originated in various regions of Italy, including Campania, Lazio, and Tuscany. It is closely associated with several place names, such as Gregoriopoli, a town in Calabria, and Gregorio, a hamlet in the province of Palermo, Sicily.

Some notable individuals who bore the surname Gregorio throughout history include:

1. Giovanni Gregorio (1552-1633), an Italian humanist scholar and historian from Naples.
2. Federico Gregorio (1561-1634), an Italian jurist and diplomat from Naples.
3. Gaspare Gregorio (1615-1687), an Italian historian and antiquarian from Messina, Sicily.
4. Pietro Gregorio (1663-1735), an Italian painter and engraver from Naples.
5. Ferdinando Gregorio (1758-1827), an Italian jurist and politician from Palermo, Sicily.

While the surname Gregorio has its roots in Italy, it has also been adopted by individuals in other parts of the world, particularly in Spanish-speaking countries, where it is often spelled as "Gregorio" or "Gregorio." However, the historical references and notable individuals mentioned above primarily pertain to the Italian origin and usage of the surname.

Race and ethnic origin of people with the last name Gregorio

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

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

If you have a correction or suggestion to improve the history of Gregorio, 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!