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

DiIorio, 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 DiIorio surname is from the 2010 census data.

Popularity of DiIorio in America

DiIorio is the 21583rd most popular name in America based on the data we have collected from the U.S. Census Bureau.

The DiIorio surname appeared 1,209 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 DiIorio.

We can also compare 2010 data for DiIorio 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 DiIorio

The surname DIIORIO originates from Italy, specifically from the Campania region in the south. It dates back to the late medieval period, around the 13th or 14th century. The name is believed to derive from the Italian phrase "di Iorio," which translates to "of Iorio" or "belonging to Iorio." Iorio is an Italian given name that has its roots in the Greek name "Ioros," meaning "watchful" or "vigilant."

One of the earliest recorded instances of the DIIORIO surname can be found in the historical records of the Kingdom of Naples, which was a prominent kingdom in southern Italy during the medieval and Renaissance periods. The name appeared in various legal documents, property records, and tax registries from that time.

In the 15th century, a notable figure named Gianfranco DIIORIO was a renowned scholar and philosopher who studied at the University of Naples. He authored several treatises on metaphysics and logic, contributing significantly to the intellectual discourse of his era.

During the 16th century, a prominent family with the DIIORIO surname resided in the town of Salerno, which was a thriving cultural and economic center in the Campania region. The family was involved in local governance and held influential positions within the community.

In the 18th century, a man named Antonio DIIORIO (1702-1779) gained recognition as a skilled architect and engineer. He was responsible for designing several notable buildings and infrastructure projects in the city of Naples, including the iconic Fontana del Gigante (Fountain of the Giant).

Another noteworthy individual with the DIIORIO surname was Maria DIIORIO (1821-1897), who was a celebrated opera singer during the Romantic period. She performed in various prestigious opera houses across Italy and Europe, captivating audiences with her powerful soprano voice.

The DIIORIO surname has also been associated with several place names in the Campania region, such as the town of Iorio and the village of Iorio Antico. These locations likely played a role in the origin and spread of the surname throughout the region.

While the DIIORIO surname has its roots in Italy, it has since been carried by individuals and families who have migrated to various parts of the world, contributing to the cultural diversity and heritage of their respective communities.

Race and ethnic origin of people with the last name DiIorio

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

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

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

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