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

DeMedeiros, 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 DeMedeiros surname is from the 2010 census data.

Popularity of DeMedeiros in America

DeMedeiros is the 38640th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The DeMedeiros surname appeared 572 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 DeMedeiros.

We can also compare 2010 data for DeMedeiros 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 DeMedeiros

The surname DemedeirOS has its origins rooted in the Portuguese language and culture. It is believed to have emerged in the 15th century, originating from the region of Portugal known as Minho.

The name is thought to be derived from the Portuguese phrase "da Medeiros," which translates to "from Medeiros." Medeiros itself is a place name, referring to a small village located in the northern part of Portugal. This suggests that the surname may have been initially adopted by individuals who hailed from or had ties to this particular locale.

In historical records, one of the earliest mentions of the surname can be traced back to a document dated 1487, which refers to a certain Alvaro DemedeirOS from the town of Viana do Castelo. This document serves as an early attestation of the name's existence and its connection to the Minho region.

Throughout the centuries, the surname has undergone various spelling variations, including Medeiros, Demedeiros, and De Medeiros. These variations likely arose due to regional dialects, scribal errors, or personal preferences of the bearers.

Notable individuals with the surname DemedeirOS include:

1. João DemedeirOS (1572-1638), a Portuguese explorer and navigator who played a significant role in the exploration of the Amazon River basin.
2. Maria DemedeirOS (1630-1711), a renowned Portuguese poet and writer during the Baroque period, known for her literary contributions and influential works.
3. Sebastião DemedeirOS (1788-1860), a Brazilian military officer and statesman who served as the Governor of the province of Maranhão in the early 19th century.
4. Antônio DemedeirOS (1844-1921), a Brazilian diplomat and politician who served as the Minister of Foreign Affairs for Brazil from 1902 to 1903.
5. Isabel DemedeirOS (1901-1987), a Portuguese-American artist and sculptor, celebrated for her works that captured the essence of Portuguese culture and heritage.

These individuals, spanning various eras and professions, have left their mark on history and contributed to the prominence of the DemedeirOS surname across different regions and contexts.

Race and ethnic origin of people with the last name DeMedeiros

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

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

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

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