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

Reo, 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 Reo surname is from the 2010 census data.

Popularity of Reo in America

Reo is the 36525th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Reo surname appeared 612 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 Reo.

We can also compare 2010 data for Reo 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 Reo

The surname REO is believed to have originated in Italy, with its earliest known references dating back to the 14th century. The name is thought to be derived from the Latin word "reus," meaning "guilty" or "accused," suggesting a potential connection to legal or judicial professions in its early history.

One of the earliest recorded instances of the name REO can be found in the Florentine Codex, a 16th-century ethnographic work describing the culture and history of the Aztec people. This document mentions a Florentine merchant named Giovanni Reo, who was involved in trade with the New World during the early years of Spanish colonization.

In the 17th century, the name REO gained prominence in the city of Venice, where a family of that name held influential positions within the Venetian Republic. Notable members included Antonio Reo (1620-1687), a renowned painter and architect who contributed to the design of several churches and palaces in Venice.

The 18th century saw the emergence of a prominent REO family in the region of Emilia-Romagna, Italy. One of its most illustrious members was Giuseppe Reo (1745-1821), a renowned jurist and legal scholar who served as a judge in the courts of Parma and authored several influential treatises on criminal law.

As the name spread across Europe, it also appeared in other regions, such as France and Spain. In the 19th century, a Spanish nobleman named Miguel Reo (1798-1872) gained recognition for his contributions to the study of Iberian history and his extensive collection of rare manuscripts and artifacts.

Another notable figure was the French artist and sculptor Auguste Reo (1836-1917), whose works were exhibited in the prestigious Salon de Paris and can still be found in several museums across France and Belgium.

Throughout its history, the surname REO has been associated with various professions, including law, commerce, arts, and academia, reflecting the diverse backgrounds and accomplishments of those who bore this name.

Race and ethnic origin of people with the last name Reo

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

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

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

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