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

del Río, 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 del Río surname is from the 2010 census data.

Popularity of del Río in America

del Río is the 3620th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The del Río surname appeared 9,814 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 3 people would have the surname del Río.

We can also compare 2010 data for del Río 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 del Río

The surname DELRIO is of Spanish origin, with its roots tracing back to the regions of Andalusia and Castile in the late 15th century. The name is believed to be derived from the Spanish words "del" and "rio," which together translate to "of the river" or "from the river." This suggests that the earliest bearers of this surname may have lived near a prominent river or worked in occupations related to rivers or waterways.

One of the earliest recorded instances of the DELRIO name can be found in the archives of the Kingdom of Castile in 1492, where a merchant named Juan DELRIO is mentioned in a trade document. This suggests that the name was already in use during the reign of the Catholic Monarchs, Ferdinand and Isabella.

In the 16th century, the DELRIO name gained prominence with the birth of Martín Antonio DELRIO (1551-1608), a Jesuit scholar and writer known for his works on demonology and witchcraft. His treatise "Disquisitionum Magicarum Libri Sex" (Six Books on Investigations into Magic) was widely influential in the understanding of witchcraft during the Inquisition.

Another notable figure with the DELRIO surname was Pedro DELRIO (1624-1708), a Spanish painter and engraver who worked in the Baroque style. His works can be found in various churches and museums across Spain, including the Museo del Prado in Madrid.

In the 18th century, the DELRIO name appeared in the records of the Spanish colonization of the Americas, with a captain named Diego DELRIO leading an expedition to establish settlements in present-day Argentina in 1779.

Moving into the 19th century, Juan DELRIO (1804-1878) was a notable Spanish politician and writer who served as a member of the Spanish Parliament and published several works on philosophy and literature.

Throughout history, variations of the DELRIO name have also been documented, such as DELRÍO, DEL RÍO, and DE RÍO, reflecting regional spelling differences and the evolution of the Spanish language over time.

While these historical accounts provide insight into the origins and notable bearers of the DELRIO surname, it is important to note that genealogical records and documentation from earlier periods may be incomplete or subject to interpretation.

Race and ethnic origin of people with the last name del Río

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

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

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