Explore the Family Name Thornhill
The meaning of Thornhill
English (mainly Lancashire and Yorkshire): habitational name from any of various places called Thornhill, for example in Derbyshire, Yorkshire, Dorset, and Wiltshire, from Old English thorn ‘thorn tree’ + hyll ‘hill’.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Thornhill in the United States?
Based on data from the Decennial U.S. Census, the surname Thornhill has seen a slight decrease in popularity between 2000 and 2010. In 2000, Thornhill ranked 4574th among all surnames in the United States but slipped to 4817th by 2010, a decline of 5.31 percent. However, the actual count of individuals bearing the surname rose from approximately 7115 in 2000 to 7327 in 2010, an increase of nearly 3 percent. Proportionally, though, the presence of this surname per 100,000 people declined by 6.06 percent.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #4,574 | #4,817 | -5.31% |
| Count | 7,115 | 7,327 | 2.98% |
| Proportion per 100k | 2.64 | 2.48 | -6.06% |
Race and Ethnicity of people with the last name Thornhill
In terms of ethnic identity, the census data reveals some changes over the same decade. The percentage of Thornhills identified as Asian/Pacific Islander, Two or more races, Hispanic, Black, and American Indian and Alaskan Native increased, while the percentage identified as White decreased. Specifically, the Hispanic population experienced the highest growth rate, increasing by 68 percent. The Black Thornhill population saw a modest increase of 4.57%, while the White Thornhill minority witnessed a slight decline, falling by 2.91%. This suggests shifting ethnic identities among those with the Thornhill surname.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 82.49% | 80.09% | -2.91% |
| Black | 13.35% | 13.96% | 4.57% |
| Hispanic | 1.5% | 2.52% | 68% |
| Two or More Races | 1.73% | 2.06% | 19.08% |
| American Indian and Alaskan Native | 0.49% | 0.7% | 42.86% |
| Asian/Pacific Islander | 0.44% | 0.67% | 52.27% |
Thornhill 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 Thornhill is British & Irish, which comprises 58.8% of all ancestry found in people with the surname. The next two most common ancestries are French & German (19.7%) and Eastern European (2.8%). Additional ancestries include Italian, Nigerian, Scandinavian, Spanish & Portuguese, and Indigenous American.
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| ANCESTRY BREAKDOWN | COMPOSITION |
|---|---|
| British & Irish | 58.8% |
| French & German | 19.7% |
| Eastern European | 2.8% |
| Other | 18.7% |
Possible origins of the surname Thornhill
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 Thornhill have recent ancestry locations all within the United Kingdom of Great Britain and Northern Ireland.
| RECENT ANCESTRY Location | Percentage |
|---|---|
| Greater Manchester, United Kingdom | 88.00% |
| Greater London, United Kingdom | 88.00% |
| Glasgow City, United Kingdom | 88.00% |
| Merseyside, United Kingdom | 87.40% |
| West Midlands, United Kingdom | 87.40% |
What Thornhill 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 Thornhill is Q-L804, which is predominantly found among people with European ancestry. Haplogroup Q-L804 is descended from haplogroup Q-M242. Other common haplogroups include R-CTS241 and E-P179, which are predominantly found among people with European and European ancestry. Other surnames with similar common haplogroups are: Dow, Yates, Booher, Pearson, Hall, Harrison, Lund, Shaw, Slater, Bennett.
The most common maternal haplogroups of people with Thornhill surname are: H1, T2b, H. These most commonly trace back to individuals of European ancestry.
Paternal Haplogroup Origins Q-M242Your 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 Thornhill 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.
"Thornhill" Surname 36.2%
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.
"Thornhill" Surname 47.5%
23andMe Users 27.9%
Habits
Sugary Drink
Drinks one or more sugary drinks per day.
"Thornhill" Surname 22.4%
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.
"Thornhill" Surname 19.1%
23andMe Users 16.4%
Are health conditions linked to the last name Thornhill?
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 Thornhill are shown below. Important Note: not everyone with a disease allele will develop these health condition