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

Isunza, 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 Isunza surname is from the 2010 census data.

Popularity of Isunza in America

Isunza is the 160975th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Isunza surname appeared 100 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 Isunza.

The history of the last name Isunza

The surname Isunza has its origins in the Basque region of northern Spain and southwestern France. It is believed to have emerged in the medieval period, though its precise roots are uncertain. Some scholars suggest it may derive from the Basque word "itsun," meaning blind or obscure, potentially referring to a place name of that nature.

One of the earliest recorded instances of the Isunza surname can be found in the Cartulario de San Millán de la Cogolla, a medieval manuscript dating back to the 12th century. This document mentions an individual named Pedro Isunza, who was a landowner in the region at that time.

In the 14th century, there are records of a prominent Basque family bearing the Isunza name, who were involved in local politics and governance. Juan Isunza (1320-1389) was a notable figure, serving as a magistrate in the city of San Sebastián.

During the 16th century, the Isunza name appeared in various historical documents related to the Spanish conquest of the Americas. Hernán Isunza (1501-1572) was a soldier and explorer who accompanied Hernán Cortés on his expedition to Mexico.

In the realm of literature, one of the earliest known poets to bear the Isunza surname was Martín Isunza (1565-1631), a Basque writer who composed works in both Spanish and Basque languages.

The Isunza name also has a connection to the Catholic Church. In the late 17th century, Father Ignacio Isunza (1648-1721) was a renowned Jesuit priest and theologian who contributed to the establishment of several educational institutions in Spain.

As the Isunza family dispersed across various regions of Spain and beyond, the name underwent slight spelling variations, such as Isunca, Isuncia, and Isuncia, often reflecting local linguistic influences.

Race and ethnic origin of people with the last name Isunza

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

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 Isunza 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.

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

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

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