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

Diéguez, 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 Diéguez surname is from the 2010 census data.

Popularity of Diéguez in America

Diéguez is the 18747th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Diéguez surname appeared 1,464 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 Diéguez.

We can also compare 2010 data for Diéguez 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 Diéguez

The surname Dieguez originated in the Iberian Peninsula, specifically in the regions of Galicia and northern Portugal, during the medieval era. It is derived from the personal name Diego, which has its roots in the Germanic name Didacus or Didaco. This name was brought to the Iberian Peninsula by the Visigoths, a Germanic tribe that ruled parts of the region from the 5th to the 8th centuries.

The earliest known records of the Dieguez surname date back to the 12th century, where it appeared in various documents and manuscripts from the Kingdom of Galicia and the County of Portugal. One notable example is the Tumbo Viejo de Lugo, an ecclesiastical manuscript from the 12th century, which mentions several individuals with the Dieguez surname.

During the 13th and 14th centuries, the Dieguez surname spread throughout the Iberian Peninsula, particularly in the regions of Galicia, Asturias, and northern Portugal. It was often associated with noble families and landowners, as evidenced by the presence of Dieguez in various charters and land grants from that period.

One of the earliest recorded individuals with the Dieguez surname was Fernán Dieguez, a 13th-century Galician nobleman and military leader who participated in the Reconquista against the Moors. Another prominent figure was Pedro Dieguez, a 14th-century Portuguese knight and military commander who served under King Afonso IV.

In the 15th century, the Dieguez surname gained further prominence with the rise of Diego de Muros Dieguez, a prominent Galician nobleman and diplomat who served as the ambassador to England for King Henry IV of Castile. His son, Pedro Dieguez de Muros, continued the family's legacy as a respected scholar and ecclesiastical figure.

Throughout the 16th and 17th centuries, the Dieguez surname remained prominent in the Iberian Peninsula, with individuals bearing this name holding various positions of power and influence. One notable figure was Diego Dieguez de Villegas, a 16th-century Spanish conquistador who participated in the conquest of Peru and served as the governor of Potosí.

Another individual of note was Juan Dieguez Villarino, a 17th-century Spanish explorer and cartographer who led expeditions to the Rio de la Plata region in South America and produced detailed maps of the area.

In the 18th and 19th centuries, the Dieguez surname continued to be found throughout Spain and Portugal, with individuals bearing this name contributing to various fields, including literature, politics, and the arts.

Race and ethnic origin of people with the last name Diéguez

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

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

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

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