DIAZ Surname Meaning and Origin

The Diaz surname may derive from a Latin term that means "days."
Archive Holdings Inc. / Getty Images

The surname DIAZ comes from the Latin dies which means "days." Although it is a common Hispanic surname, Diaz is believed to have Jewish origins, predating the Hispanic world. It is related to the Spanish surname DIEGO; numerous historical examples point to the use of Diaz as a patronymic of Diego ("son of Diego").

DIAZ is the 14th most popular Hispanic surname and the 73rd most popular surname in the United States.

Surname Origin: Spanish, Portuguese

Alternate Surname Spellings: DIAS

Famous People with the Surname DIAZ

Where Do People With the DIAZ Surname Live?

According to surname distribution data from Forebears, Diaz is the 141st most common surname in the world, ranking as most prevalent in Mexico and with the highest density based on population in Cuba. Diaz is the 4th most common last name found in Chile; 7th most common in Peru, Cuba and the Dominican Republic; 8th in Panama; 9th in Venezuela and Argentina; and 10th in Colombia and Puerto Rico.

Within Europe, Diaz is most frequently found in Spain, according to WorldNames PublicProfiler, where it ranks as the 14th most common surname. It is most frequently found in the northern region of Asturias, as well as the Canary Islands.

Genealogy Resources for the Surname DIAZ
100 Most Common U.S. 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?

100 Common Hispanic Surnames & Their Meanings
Garcia, Martinez, Rodriguez, Lopez, Hernandez... Are you one of the millions of people sporting one of these top 100 common Hispanic last names?

How to Research Hispanic Heritage
Learn how to get started researching your Hispanic ancestors, including the basics of family tree research and country specific organizations, genealogical records, and resources for Spain, Latin America, Mexico, Brazil, the Caribbean and other Spanish speaking countries.

Diaz Family Crest - It's Not What You Think
Contrary to what you may hear, there is no such thing as a Diaz family crest or coat of arms for the Diaz surname. Coats of arms are granted to individuals, not families, and may rightfully be used only by the uninterrupted male line descendants of the person to whom the coat of arms was originally granted. 

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

FamilySearch - DIAZ Genealogy
Access over 4.9 million free historical records and lineage-linked family trees posted for the Diaz surname and its variations on this free genealogy website hosted by the Church of Jesus Christ of Latter-day Saints.

GeneaNet - Diaz Records
GeneaNet includes archival records, family trees, and other resources for individuals with the Diaz surname, with a concentration on records and families from France, Spain, and other European countries.

DIAZ Surname & Family Mailing Lists
This free mailing list for researchers of the Diaz surname and its variations includes subscription details and a searchable archives of past messages.

DistantCousin.com - DIAZ Genealogy & Family History
Explore free databases and genealogy links for the last name Diaz.

The Diaz Genealogy and Family Tree Page
Browse family trees and links to genealogical and historical records for individuals with the last name Diaz from the website of Genealogy Today.

References: Surname Meanings & Origins

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

Dorward, David. Scottish Surnames. Collins Celtic (Pocket edition), 1998.

Fucilla, Joseph. Our Italian Surnames. Genealogical Publishing Company, 2003.

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

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

Reaney, P.H. A Dictionary of English Surnames. Oxford University Press, 1997.

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

>> Back to Glossary of Surname Meanings & Origins