THOMAS - Last Name Meaning and Origin

The last name Thomas comes from a word meaning "twin."
Getty / James Woodson

Derived from a popular medieval first name, THOMAS comes from the Aramaic term t’om’a, for "twin." The Thomas surname is of patronymic origin, based on the first name of the father, meaning "son of Thomas," much like Thomason.

Thomas is the 14th most popular surname in the United States and the 9th most common in England. Thomas is also the third most common surname in France.

Surname Origin: Welsh, English


Fun Facts About the Thomas Surname

The first letter of the name Thomas was originally the Greek "theta" which accounts for the common TH spelling.

Famous People with the Surname THOMAS

  • Clarence Thomas - U.S. Supreme Court Justice
  • Dylan Thomas - Welsh poet
  • Kristin Scott Thomas - British-born French actress
  • Danny Thomas - American comedian, producer and actor
  • M. Carey Thomas - pioneer in women's education
  • Debi Thomas - Olympic figure skater; first African American to win a medal at the Winter Olympics
  • Jamie Thomas - pro skateboarder
  • Isiah Thomas - American basketball player & coach

Genealogy Resources for the Surname THOMAS

100 Most Common US Surnames & Their Meanings
Smith, Johnson, Williams, Jones, Brown... Are you one of the millions of Americans sporting one of these top 100 common last names from the 2000 census?

Thomas Surname DNA Study
The objectives of the Thomas project are to use Y-DNA to find connections between Thomas lines and to hopefully determine the countries of origin of these various families. All Thomas males are welcome to participate.

Thomas Family Genealogy Forum
Search this popular genealogy forum for the Thomas surname to find others who might be researching your ancestors, or post your own Thomas query.

FamilySearch - THOMAS Genealogy
Explore over 14 million historical records, lineage-linked family trees, and other results posted for the Thomas surname and its variations on the free FamilySearch website.

THOMAS Surname & Family Mailing Lists
RootsWeb hosts several free mailing lists for researchers of the Thomas surname. - THOMAS Genealogy & Family History
Free databases and genealogy links for the last name Thomas.

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References: Surname Meanings & Origins

Cottle, Basil. Penguin Dictionary of Surnames. Baltimore, MD: Penguin Books, 1967.

Menk, Lars. A Dictionary of German Jewish Surnames. Avotaynu, 2005.

Beider, Alexander. A Dictionary of Jewish Surnames from Galicia. Avotaynu, 2004.

Hanks, Patrick and Flavia Hodges. A Dictionary of Surnames. Oxford University Press, 1989.

Hanks, Patrick. Dictionary of American Family Names. Oxford University Press, 2003.

Smith, Elsdon C. American Surnames. Genealogical Publishing Company, 1997.

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