Explore the Family Name Williamson
The meaning of Williamson
1. English (Northern) and Scottish: from the Middle English personal name William + patronymic -son ‘son of William’. This surname is also found in Northern Ireland (Ulster), especially in Antrim. 2. Americanized form of Norwegian, Danish, and North German Wilhelmsen, Swedish Wilhelmsson, or Dutch and North German Willemsen, all cognates of 1. History: This surname was brought to North America from northern England and northern Ireland independently by numerous different bearers from the 17th century onward. Timothy Williamson is recorded in Plymouth Colony in 1643.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Williamson in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Williamson has seen a slight shift over a decade. In 2000, it was ranked as the 245th most popular surname, but by 2010, it had dropped to the 267th position. This indicates a notable decrease in popularity by around 8.98%. However, the total count of people with this surname increased from 112,216 in 2000 to 114,959 in 2010, reflecting a growth rate of 2.44%. The proportion per 100k also decreased slightly from 41.6 to 38.97.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #245 | #267 | -8.98% |
| Count | 112,216 | 114,959 | 2.44% |
| Proportion per 100k | 41.6 | 38.97 | -6.32% |
Race and Ethnicity of people with the last name Williamson
The ethnicity data from the Decennial U.S. Census shows that the ethnic identity associated with the surname Williamson has diversified over a decade. In 2000, the majority of individuals carrying the Williamson name were White (79.22%), followed by Black (16.74%). By 2010 the percentage of Whites had slightly decreased to 77.17%, while the percentage of Blacks had increased to 17.41%. Notably, the Hispanic community registered the highest increase, from 1.44% in 2000 to 2.27% in 2010. The number of people identifying as Asian/Pacific Islander and those of two or more races also increased. Meanwhile, the proportion of American Indian and Alaskan Native remained relatively stable, decreasing marginally from 0.71% to 0.70%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 79.22% | 77.17% | -2.59% |
| Black | 16.74% | 17.41% | 4% |
| Hispanic | 1.44% | 2.27% | 57.64% |
| Two or More Races | 1.51% | 1.94% | 28.48% |
| American Indian and Alaskan Native | 0.71% | 0.7% | -1.41% |
| Asian/Pacific Islander | 0.39% | 0.5% | 28.21% |
Williamson 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 Williamson is British & Irish, which comprises 56.2% of all ancestry found in people with the surname. The next two most common ancestries are French & German (22.1%) and Scandinavian (3.7%). Additional ancestries include Eastern European, Italian, Nigerian, Spanish & Portuguese, and Indigenous American.
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| ANCESTRY BREAKDOWN | COMPOSITION |
|---|---|
| British & Irish | 56.2% |
| French & German | 22.1% |
| Scandinavian | 3.7% |
| Other | 18.0% |
Possible origins of the surname Williamson
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 Williamson have recent ancestry locations all within United Kingdom.
| RECENT ANCESTRY Location | Percentage |
|---|---|
| Greater London, United Kingdom | 88.30% |
| Greater Manchester, United Kingdom | 88.30% |
| Glasgow City, United Kingdom | 88.00% |
| Merseyside, United Kingdom | 87.80% |
| West Midlands, United Kingdom | 87.60% |
What Williamson 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 Williamson is R-P311, which is predominantly found among people with European ancestry. Haplogroup R-P311 is descended from haplogroup R-M343. Other common haplogroups include I-Z58 and R-YP276, which are predominantly found among people with European and European ancestry. Other surnames with similar common haplogroups are: Hill, White, Smith, Harrison, Brown, Wright, Nelson, Anderson, Johnson, Taylor.
The most common maternal haplogroups of people with Williamson 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 Williamson 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.
"Williamson" Surname 43.9%
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.
"Williamson" Surname 28.8%
23andMe Users 27.9%
Habits
Sugary Drink
Drinks one or more sugary drinks per day.
"Williamson" Surname 25.3%
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.
"Williamson" Surname 19.5%
23andMe Users 16.4%
Are health conditions linked to the last name Williamson?
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 Williamson are shown below. Important Note: not everyone with a disease allele will develop these health condition