Explore the Family Name Thayer
The meaning of Thayer
English (Gloucestershire and Somerset): from Middle English the eir ‘the heir’ with fused definite article. See Ayer. History: Sylvanus Thayer (1785–1872), military engineer, an early superintendant of the US Military Academy at West Point, was born in Braintree, MA, into a family of English origin.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Thayer in the United States?
According to the Decennial U.S. Census, the surname Thayer witnessed a slight decrease in popularity from the year 2000 to 2010. In 2000, Thayer stood at rank 2014 and slipped to 2186 by the end of the decade, marking a decline of 8.54%. However, the count of individuals with this surname slightly increased during the same period, growing from 16,496 to 16,625, an increase of 0.78%. The proportion of the Thayer surname per 100,000 people decreased from 6.12 to 5.64.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #2,014 | #2,186 | -8.54% |
| Count | 16,496 | 16,625 | 0.78% |
| Proportion per 100k | 6.12 | 5.64 | -7.84% |
Race and Ethnicity of people with the last name Thayer
On the aspect of ethnicity, the Decennial U.S. Census data showed some shifts among Thayer bearers between 2000 and 2010. The largest increase was seen in the Hispanic representation, which went up by 59.56% from 1.36% to 2.17%. This was followed by Asian/Pacific Islander identity, which saw an increase of 42.11%, going from 0.57% to 0.81%. Thayers identifying as part of two or more races also rose by 38.76% from 1.29% to 1.79%. Conversely, there was a minor decrease in the number of Thayers who identified as White, slipping from 94.62% to 93.07%. The proportion of Thayers identifying as American Indian and Alaskan Native also slightly dropped by 4.58% from 1.31% to 1.25%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 94.62% | 93.07% | -1.64% |
| Hispanic | 1.36% | 2.17% | 59.56% |
| Two or More Races | 1.29% | 1.79% | 38.76% |
| American Indian and Alaskan Native | 1.31% | 1.25% | -4.58% |
| Black | 0.85% | 0.91% | 7.06% |
| Asian/Pacific Islander | 0.57% | 0.81% | 42.11% |
Thayer 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 Thayer is British & Irish, which comprises 48.9% of all ancestry found in people with the surname. The next two most common ancestries are French & German (27.1%) and Scandinavian (5.3%). Additional ancestries include Eastern European, Italian, Ashkenazi Jewish, Spanish & Portuguese, and Indigenous American.
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| ANCESTRY BREAKDOWN | COMPOSITION |
|---|---|
| British & Irish | 48.9% |
| French & German | 27.1% |
| Scandinavian | 5.3% |
| Other | 18.7% |
Possible origins of the surname Thayer
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 Thayer have recent ancestry locations in the United Kingdom of Great Britain and Northern Ireland and Ireland.
| RECENT ANCESTRY Location | Percentage |
|---|---|
| Greater London, United Kingdom | 88.70% |
| Greater Manchester, United Kingdom | 88.70% |
| Merseyside, United Kingdom | 88.50% |
| Glasgow City, United Kingdom | 88.30% |
| West Yorkshire, United Kingdom | 88.10% |
What Thayer 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 Thayer is R-L21, which is predominantly found among people with European ancestry. Haplogroup R-L21 is descended from haplogroup R-M343. Other common haplogroups include R-CTS241 and I-Z58, which are predominantly found among people with European and European ancestry. Other surnames with similar common haplogroups are: Sherrill, Jacks, Leblanc, Bowser, Tupper, Rossiter, Broome, Broom, Dana, Mcfarland.
The most common maternal haplogroups of people with Thayer surname are: H1, T2b, H. These most commonly trace back to individuals of European ancestry.
Paternal Haplogroup Origins R-M343Your 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.
What do people with the surname Thayer 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
Chocolate Ice Cream
Prefers chocolate flavored ice cream over other flavors.
"Thayer" Surname 44.8%
23andMe Users 41.3%
Traits
Misophonia
When sounds made by others, like the sound of chewing or yawning, provoke strong emotional reactions in an individual.
"Thayer" Surname 29.4%
23andMe Users 27.9%
Habits
Sugary Drink
Drinks one or more sugary drinks per day.
"Thayer" Surname 26.6%
23andMe Users 21.1%
Wellness
Migraine
A severe headache characterized by intense pain, sensitivity to light and sound, and often accompanied by nausea and vomiting.
"Thayer" Surname 16.8%
23andMe Users 16.4%
Are health conditions linked to the last name Thayer?
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 Thayer are shown below. Important Note: not everyone with a disease allele will develop these health condition