Theros last name popularity, history, and meaning

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

Meaning of Theros

A Greek surname derived from the Greek word "theros," meaning summer or harvest season.

Theros, 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 Theros surname is from the 2010 census data.

Popularity of Theros in America

Theros is the 94311th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Theros surname appeared 194 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 Theros.

We can also compare 2010 data for Theros 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.

2010 2000 Change (%)
Rank 94311 96918 -2.73%
Count 194 174 10.87%
Proportion per 100k 0.07 0.06 15.38%

The history of the last name Theros

The surname Theros has its origins in Greece, tracing back to the 15th century. It is believed to have derived from the Greek word "theros," which translates to "summer" or "harvest season." This suggests that the name may have initially been given to someone who was born during the summer months or had a connection to agricultural activities.

One of the earliest recorded instances of the name Theros can be found in the archives of the Monastery of Vatopedi on Mount Athos, dated back to 1457. This ancient manuscript mentions a certain Theodoros Theros, who was a monk and scribe residing in the monastery.

In the 16th century, a prominent figure bearing the name Theros was Georgios Theros, a Greek scholar and philosopher born in 1523 in Crete. He is known for his contributions to the field of Aristotelian philosophy and his teachings at the University of Padua in Italy.

The name Theros also appears in historical records from the island of Cephalonia in the Ionian Sea. In the late 18th century, a wealthy merchant named Ioannis Theros was documented as a benefactor who donated funds for the construction of a church in the town of Argostoli.

During the Greek War of Independence against the Ottoman Empire in the early 19th century, the Theros family played a significant role. Konstantinos Theros, born in 1786 on the island of Zakynthos, was a military leader and a member of the Filiki Eteria, a secret revolutionary society that helped ignite the uprising.

Another notable individual with the surname Theros was Georgios Theros, a Greek politician and diplomat who lived from 1845 to 1920. He served as the Minister of Foreign Affairs for Greece and represented the country at various international conferences.

While the name Theros is not as common today as it once was, it remains a part of Greece's rich cultural heritage, reflecting the country's ancient roots and the significance of the summer season in its agricultural traditions.

Race and ethnic origin of people with the last name Theros

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

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 Theros was:

Race/Ethnicity Percentage Total Occurrences
Non-Hispanic White Only 90.21% 175
Non-Hispanic Black Only (S)% (S)
Non-Hispanic Asian and Pacific Islander Only 3.61% 7
Non-Hispanic American Indian and Alaskan Native (S)% (S)
Non-Hispanic of Two or More Races 2.58% 5
Hispanic Origin 3.09% 6

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 Theros has changed in the 10 years between the two census surveys.

2010 2000 Change (%)
White 90.21% 94.25% -4.38%
Black (S)% 0.00% (S)%
Asian and Pacific Islander 3.61% (S)% (S)%
American Indian and Alaskan Native (S)% (S)% (S)%
Two or More Races 2.58% (S)% (S)%
Hispanic 3.09% (S)% (S)%

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

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

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"Theros last name popularity, history, and meaning". NameCensus.com. Accessed on July 10, 2025. http://namecensus.com/last-names/theros-surname-popularity/.

"Theros last name popularity, history, and meaning". NameCensus.com, http://namecensus.com/last-names/theros-surname-popularity/. Accessed 10 July, 2025

Theros last name popularity, history, and meaning. NameCensus.com. Retrieved from http://namecensus.com/last-names/theros-surname-popularity/.

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