Explore the Family Name Dietz

The meaning of Dietz

German: from a short form of the personal name Dietrich. Compare Deats, Deets 1, and Deitz.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Dietz in the United States?

Based on the Decennial U.S. Census data, the popularity of the surname Dietz experienced a slight decrease between 2000 and 2010. In 2000, the surname ranked 1768 in popularity, but by 2010, it had dropped to 1925, indicating a decline of 8.88%. However, the actual count of people with the Dietz surname increased slightly from 18,568 in 2000 to 18,720 in 2010, showing an increase of 0.82%. The proportion of individuals with the Dietz surname per 100,000 people also decreased by 7.7% over this decade.

20002010Change
Rank#1,768#1,925-8.88%
Count18,56818,7200.82%
Proportion per 100k6.886.35-7.7%

Race and Ethnicity of people with the last name Dietz

In terms of ethnicity, the Decennial U.S. Census data revealed some shifts among those bearing the Dietz surname between 2000 and 2010. The percentage of individuals identifying as Asian/Pacific Islander increased by 31.37%, while those reporting two or more races saw an increase of 48.28%. There was also a significant rise of 50.30% in the number of people identifying as Hispanic. On the other hand, there was a slight decrease in the percentage of individuals identifying as White, from 96.31% in 2000 to 94.74% in 2010. Further, the percentages of individuals identifying as Black and American Indian/Alaskan Native increased by 20.59% and 26.67%, respectively.

20002010Change
White96.31%94.74%-1.63%
Hispanic1.67%2.51%50.3%
Two or More Races0.87%1.29%48.28%
Asian/Pacific Islander0.51%0.67%31.37%
Black0.34%0.41%20.59%
American Indian and Alaskan Native0.3%0.38%26.67%

Dietz ancestry composition

23andMe computes an ancestry breakdown for each customer. People may have ancestry from just one population or they may have ancestry from several populations. The most commonly-observed ancestry found in people with the surname Dietz is British & Irish, which comprises 38.5% of all ancestry found in people with the surname. The next two most common ancestries are French & German (35.8%) and Eastern European (6.8%). Additional ancestries include Ashkenazi Jewish, Scandinavian, Italian, Spanish & Portuguese, and Indigenous American.

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ANCESTRY BREAKDOWNCOMPOSITION
British & Irish38.5%
French & German35.8%
Eastern European6.8%
Other18.9%
Dietz

Possible origins of the surname Dietz

Your DNA provides clues about where your recent ancestors may have lived. Having many distant relatives in the same location suggests that you may all share common ancestry there. Locations with many distant relatives can also be places where people have migrated recently, such as large cities. If a large number of individuals who share your surname have distant relatives in a specific area, it could indicate a connection between your surname and that location, stemming from either recent ancestral ties or migration.

Based on 23andMe data, people with last name Dietz have recent ancestry locations in the United Kingdom of Great Britain and Northern Ireland and Ireland.

RECENT ANCESTRY LocationPercentage
Merseyside, United Kingdom77.50%
Greater London, United Kingdom77.50%
West Midlands, United Kingdom77.30%
Greater Manchester, United Kingdom77.10%
Glasgow City, United Kingdom76.90%

What Dietz haplogroups can tell you

Haplogroups are genetic population groups that share a common ancestor on either your paternal or maternal line. These paternal and maternal haplogroups shed light on your genetic ancestry and help tell the story of your family.

The top paternal haplogroup of people with the surname Dietz is R-U152, which is predominantly found among people with European ancestry. Haplogroup R-U152 is descended from haplogroup R-M343. Other common haplogroups include G-Z38846 and I-Z58, which are predominantly found among people with European and European ancestry. Other surnames with similar common haplogroups are: Weber, Becker, Hoffman, Schmidt, Engel, Mueller, Miller, Bauer, Schneider, Wagner.

The most common maternal haplogroups of people with Dietz surname are: H1, T2b, H. These most commonly trace back to individuals of European ancestry.

dietzPaternal Haplogroup Origins R-M343

Your maternal lineage may be linked to Marie Antoinette

Because it is so dominant in the general European population, haplogroup H also appears quite frequently in the continent's royal houses. Marie Antoinette, an Austrian Hapsburg who married into the French royal family, inherited the haplogroup from her maternal ancestors. So did Prince Philip, Duke of Edinburgh, whose recorded genealogy traces his female line to Bavaria. Scientists also discovered that famed 16th century astronomer Nicolaus Copernicus traced his maternal lineages to haplogroup H.

Maternal Haplo Image

What do people with the surname Dietz have in common?

Spoiler alert: it's complicated. People with the same last name are usually no more genetically similar than a randomly sampled group of people from the same population. That said, people with the same surname are more likely to have similar ancestries than randomly sampled individuals. The reason is the tendency of people with similar cultural or geographical backgrounds to preferentially mate with one another. That's why people who share a surname may be more likely to share traits and tendencies in common than people within the general population. Check out the percentages below to see the prevalences of tastes, habits, and traits of people with your surname compared with prevalences among 23andMe users.

Preferences

Dietz

Chocolate Ice Cream

Prefers chocolate flavored ice cream over other flavors.

"Dietz" Surname 43.5%

23andMe Users 41.3%

Traits

Dietz

Misophonia

When sounds made by others, like the sound of chewing or yawning, provoke strong emotional reactions in an individual.

"Dietz" Surname 23.3%

23andMe Users 27.9%

Habits

Dietz

Sugary Drink

Drinks one or more sugary drinks per day.

"Dietz" Surname 19.8%

23andMe Users 21.1%

Wellness

Dietz

Migraine

A severe headache characterized by intense pain, sensitivity to light and sound, and often accompanied by nausea and vomiting.

"Dietz" Surname 17.0%

23andMe Users 16.4%

Are health conditions linked to the last name Dietz?

The short answer is that, if there is an association between surname and health, it's usually more about your ancestry than your name. Individuals with a given surname are no more genetically similar than the general population but often have similar ancestries. The populations of people associated with those shared ancestries often have sets of genetic variations, also known as alleles, in common. Some of those alleles are associated with a greater likelihood of developing certain diseases.

Disease variant frequency by ancestry

Disease allele frequencies in populations associated with the surname Dietz are shown below. Important Note: not everyone with a disease allele will develop these health condition

Age-Related Macular Degeneration

Y402H variant

Age-related macular degeneration (AMD) is the most common cause of irreversible vision loss among older adults. The disease results in damage to the central part of the retina (the macula), impairing vision needed for reading, driving, or even recognizing faces. The 23andMe Health + Ancestry DNA test includes the two most common variants associated with an increased risk of developing the condition: the Y402H variant in the CFH gene and the A69S variant in the ARMS2 gene. Learn more about Age-Related Macular Degeneration

British & Irish 62.1%

23andMe Users 57.2%