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

Ierardi, 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 Ierardi surname is from the 2010 census data.

Popularity of Ierardi in America

Ierardi is the 55619th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Ierardi surname appeared 369 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 Ierardi.

We can also compare 2010 data for Ierardi 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 Ierardi

The surname Ierardi originates from Italy and is believed to have its roots in the southern regions of the country, particularly in the regions of Campania and Calabria. The name is thought to be derived from the Latin word "erardus," which means "brave warrior" or "strong watcher."

One of the earliest recorded instances of the Ierardi surname can be found in the Codex Diplomaticus Cavensis, a collection of medieval documents from the Archivio della Badia di Cava dei Tirreni in Campania. This manuscript, dating back to the 11th century, mentions a nobleman named Ierardus de Salerno, suggesting that the name was already in use during that period.

In the 13th century, a notable figure bearing the Ierardi surname was Guglielmo Ierardi, a renowned jurist and legal scholar from the city of Salerno. He was instrumental in the development of the Napoletana School of Law, which had a significant influence on the legal systems of southern Italy.

During the Renaissance period, the Ierardi family gained prominence in the Kingdom of Naples. One notable member was Giovanni Battista Ierardi, a 16th-century humanist and poet who was highly regarded for his literary works and contributions to the cultural renaissance in Naples.

Another notable figure was Pietro Ierardi, a 17th-century painter and architect from the town of Conversano in the province of Bari. He was renowned for his religious paintings and architectural designs, many of which can still be found in churches and buildings throughout the Puglia region.

In the 19th century, the Ierardi surname was carried by Vincenzo Ierardi, a prominent lawyer and politician from the town of Montescaglioso in the province of Matera. He played a significant role in the Italian Risorgimento, the political and social movement that led to the unification of Italy.

While the Ierardi surname is predominantly found in southern Italy, it has also spread to other parts of the country and beyond through migration and the diaspora. However, its roots remain firmly embedded in the rich cultural and historical tapestry of the Italian peninsula.

Race and ethnic origin of people with the last name Ierardi

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

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

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

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