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

Idalgo, 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 Idalgo surname is from the 2010 census data.

Popularity of Idalgo in America

Idalgo is the 113155th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Idalgo surname appeared 155 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 Idalgo.

We can also compare 2010 data for Idalgo 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 Idalgo

The surname IDALGO has its origins in Spain, dating back to the medieval period. It is believed to be a variant of the Spanish word "hidalgo," which referred to a member of the lower nobility or gentry in Spain. The prefix "hi-" or "hijo" in Spanish means "son," while "dalgo" derives from the Latin phrase "de algo," meaning "of something" or "of worth."

The name IDALGO was likely first used to distinguish individuals who were the sons of hidalgos or members of the gentry class. These families often held land and enjoyed certain privileges, such as exemption from taxes and the right to carry weapons. The name may have originated in the regions of Castile or Andalusia, where the hidalgo class was particularly prominent.

One of the earliest recorded instances of the surname IDALGO appears in the "Libro de la Montería," a 14th-century hunting treatise commissioned by King Alfonso XI of Castile. The text mentions a "Juan Idalgo" who participated in hunting expeditions with the king.

In the 15th century, a notable figure named Diego Idalgo was a Spanish explorer and navigator who accompanied Christopher Columbus on his second voyage to the Americas in 1493. Idalgo played a role in the exploration and settlement of the Caribbean islands.

During the 16th century, the IDALGO surname was found in various regions of Spain, including the provinces of Seville, Cordoba, and Granada. One notable bearer was Antonio Idalgo de Quintana (c. 1530-1605), a Spanish philosopher and writer who authored works on ethics and moral philosophy.

In the 17th century, Juan Idalgo y Mendoza (1622-1692) was a Spanish military officer and governor of several provinces in South America. He served as the governor of Tucumán (modern-day Argentina) and played a significant role in the expansion and defense of Spanish territories in the region.

Another historical figure with the IDALGO surname was María Idalgo (1768-1803), a Spanish revolutionary and writer who advocated for women's rights and education. She was active during the Enlightenment period and published several works promoting feminist ideas.

While the IDALGO surname has its roots in Spain, it has spread to other parts of the world through migration and settlement. However, detailed historical records and references outside of Spain become more limited, as the name's origins are firmly rooted in the Spanish culture and tradition.

Race and ethnic origin of people with the last name Idalgo

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

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

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

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