Explore the Family Name Weldon

The meaning of Weldon

English: habitational name from a place in Northamptonshire called Weldon, from Old English well(a) ‘spring, stream’ + dūn ‘hill’. This name was brought to Ireland (Dublin) in the 14th century. It has been Gaelicized as de Bhéalatún.

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

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

According to the Decennial U.S. Census data, the popularity of the surname Weldon has seen a slight decline in rank from 2000 to 2010, moving from 2367 to 2481, reflecting a change of -4.82%. However, the count of individuals with this surname increased by 3.66% within the same period, up from 14,025 to 14,538. There was a slight decrease in the proportion per 100k, down -5.19%, dropping from 5.2 to 4.93.

Proportion per 100k5.24.93-5.19%

Race and Ethnicity of people with the last name Weldon

In terms of ethnicity based on the Decennial U.S. Census, those identified as White and carrying the Weldon surname decreased slightly from 82.47% in 2000 to 80.10% in 2010, a change of -2.87%. The percentage of Weldons who identified as Black increased slightly from 13.04% to 13.70% in the same period. Those identifying as Hispanic saw a significant increase of 53.22%, moving from 1.71% to 2.62%. Individuals with Asian/Pacific Islander ethnicity marginally increased from 0.53% to 0.57%, and American Indian and Alaskan Natives saw an increase from 0.62% to 0.70%. The most notable growth was in people identifying with two or more ethnicities, which saw a substantial rise of 42.59%, from 1.62% in 2000 to 2.31% in 2010.

Two or More Races1.62%2.31%42.59%
American Indian and Alaskan Native0.62%0.7%12.9%
Asian/Pacific Islander0.53%0.57%7.55%

Weldon 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 Weldon is British & Irish, which comprises 57.4% of all ancestry found in people with the surname. The next two most common ancestries are French & German (19.6%) and Scandinavian (4.4%). Additional ancestries include Eastern European, Italian, Korean, Ashkenazi Jewish, and Nigerian.

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British & Irish57.4%
French & German19.6%

Possible origins of the surname Weldon

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 Weldon have recent ancestry locations in United Kingdom and Ireland.

RECENT ANCESTRY LocationPercentage
Greater Manchester, United Kingdom85.40%
Greater London, United Kingdom85.40%
Glasgow City, United Kingdom85.40%
Merseyside, United Kingdom85.40%
West Midlands, United Kingdom85.00%

What Weldon 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 Weldon is R-CTS241, which is predominantly found among people with European ancestry. Haplogroup R-CTS241 is descended from haplogroup R-M343. Other common haplogroups include R-Z11 and R-Z159, which are predominantly found among people with European and European ancestry. Other surnames with similar common haplogroups are: Salter, Goddard, Ball, Middleton, Hodges, Tolbert, Hodgson, Holland, Parks, Henderson.

The most common maternal haplogroups of people with Weldon surname are: H1, H, H3. These most commonly trace back to individuals of European ancestry.

weldonPaternal 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 Weldon 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.



Chocolate Ice Cream

Prefers chocolate flavored ice cream over other flavors.

"Weldon" Surname 39.3%

23andMe Users 41.3%




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

"Weldon" Surname 23.3%

23andMe Users 27.9%



Sugary Drink

Drinks one or more sugary drinks per day.

"Weldon" Surname 26.4%

23andMe Users 21.1%




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

"Weldon" Surname 15.3%

23andMe Users 16.4%

Are health conditions linked to the last name Weldon?

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 Weldon 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%