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

Aldaco, 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 Aldaco surname is from the 2010 census data.

Popularity of Aldaco in America

Aldaco is the 10797th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Aldaco surname appeared 2,953 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 1 people would have the surname Aldaco.

We can also compare 2010 data for Aldaco 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 Aldaco

The surname Aldaco is believed to have originated in Spain during the medieval period. It is thought to be derived from the Basque words "alde," meaning "side" or "part," and "ko," a locative suffix indicating a place of origin. This suggests that the name may have initially referred to someone who lived near or came from a specific location.

One of the earliest recorded instances of the name Aldaco can be found in a 13th-century manuscript from the Basque region of Spain, where it appears as "Aldacoa." This variation in spelling was common in historical documents, as standardized spelling conventions were not widely adopted until much later.

In the 15th century, records show an individual named Juan Aldaco serving as a prominent military commander during the Reconquista, the campaign to reclaim the Iberian Peninsula from Moorish rule. His bravery and leadership earned him recognition, and his name appears in several chronicles of the time.

During the 16th century, the name Aldaco gained further prominence when a wealthy merchant family bearing the name established a successful trading business in the city of Seville. One member of this family, Diego Aldaco (c. 1520-1585), was known for his philanthropic efforts and support of local churches and charities.

In the 17th century, a renowned Spanish writer and poet, Miguel Aldaco (1612-1677), gained acclaim for his lyrical works celebrating the beauty of his native Basque region. His poems were widely circulated and helped to popularize the name Aldaco beyond its original geographical boundaries.

Another notable figure bearing the surname Aldaco was María Aldaco (1789-1862), a respected educator and advocate for women's education in Spain. She founded several schools and worked tirelessly to promote literacy and learning opportunities for girls and young women.

Throughout its history, the name Aldaco has maintained strong connections to its Spanish and Basque roots, with many bearers of the name tracing their ancestry back to these regions. While relatively uncommon outside of Spain, the surname remains a proud symbol of the country's rich cultural heritage and traditions.

Race and ethnic origin of people with the last name Aldaco

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

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

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

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