Explore the Family Name Guillory

The meaning of Guillory

French: 1. habitational name from La Guillorie, a place in Loire-Atlantique, or La Guihorais, a place in Ille-et-Vilaine, Brittany (France). 2. probably also a variant of Guillery, a habitational name from La Guillerie, the name of several places in the northwestern part of France. History: Simon Guillory from Blois in Loir-et-Cher, France, married Louise Bouchard in Montreal, QC, in 1667. Some characteristic forenames: French Andre, Antoine, Alcide, Elcie, Ferrel, Leonce, Odile, Yves, Aldes, Alexandre.

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

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

Based on data from the Decennial U.S. Census, the surname Guillory experienced a shift in popularity between 2000 and 2010. In 2000, Guillory ranked as the 2308th most popular surname, but by 2010 it had dropped slightly to the 2391st position, marking a decrease of approximately 3.6%. Despite this drop in rank, the actual count of individuals with the surname Guillory increased from 14,351 in 2000 to 15,161 in 2010, indicating a growth of 5.64%. However, when analyzed in terms of proportion per 100k people, the prevalence of the surname Guillory decreased by 3.38% over the decade.

20002010Change
Rank#2,308#2,391-3.6%
Count14,35115,1615.64%
Proportion per 100k5.325.14-3.38%

Race and Ethnicity of people with the last name Guillory

The Decennial U.S. Census also provides insight into the ethnic identity associated with the surname Guillory. In 2000, the majority of individuals with this surname identified as White (50.99%) or Black (43.29%). By 2010, there was a slight decrease in the percentage identifying as White (-6.00%) and a minor increase in the percentage identifying as Black (3.56%). Meanwhile, those identifying as Hispanic saw a significant increase (38.59%), albeit from a lower base. The proportion of individuals with the surname Guillory who identify as Asian/Pacific Islander or American Indian and Alaskan Native also saw considerable increases, rising by 129.17% and 68.57% respectively. The percentage of individuals identifying with two or more races remained relatively stable, showing a minor increase of 1.47%.

20002010Change
White50.99%47.93%-6%
Black43.29%44.83%3.56%
Hispanic2.41%3.34%38.59%
Two or More Races2.72%2.76%1.47%
American Indian and Alaskan Native0.35%0.59%68.57%
Asian/Pacific Islander0.24%0.55%129.17%

Guillory 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 Guillory is French & German, which comprises 31.6% of all ancestry found in people with the surname. The next two most common ancestries are British & Irish (26.6%) and Spanish & Portuguese (8.8%). Additional ancestries include Nigerian, Ghanaian, Liberian & Sierra Leonean, Senegambian & Guinean, Indigenous American, and Angolan & Congolese.

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ANCESTRY BREAKDOWNCOMPOSITION
French & German31.6%
British & Irish26.6%
Spanish & Portuguese8.8%
Other33.0%
Guillory

Possible origins of the surname Guillory

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 Guillory have recent ancestry locations all within the United Kingdom of Great Britain and Northern Ireland.

RECENT ANCESTRY LocationPercentage
Greater London, United Kingdom54.60%
Greater Manchester, United Kingdom54.10%
Glasgow City, United Kingdom53.70%
West Midlands, United Kingdom53.20%
Merseyside, United Kingdom53.20%

What Guillory 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 Guillory is R-Z16539, which is predominantly found among people with European ancestry. Haplogroup R-Z16539 is descended from haplogroup R-M343. Other common haplogroups include R-L21 and R-P311, which are predominantly found among people with European and European ancestry. Other surnames with similar common haplogroups are: Burdick, Ard, Spann, Belt, Heaton, Fain, Muldoon, Crain, Mannion, Ruffin.

The most common maternal haplogroups of people with Guillory surname are: T2b, H, L2a1. These most commonly trace back to individuals of European and Sub-Saharan African ancestry.

guilloryPaternal 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 Guillory 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

Guillory

Chocolate Ice Cream

Prefers chocolate flavored ice cream over other flavors.

"Guillory" Surname 41.0%

23andMe Users 41.3%

Traits

Guillory

Misophonia

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

"Guillory" Surname 29.8%

23andMe Users 27.9%

Habits

Guillory

Sugary Drink

Drinks one or more sugary drinks per day.

"Guillory" Surname 22.2%

23andMe Users 21.1%

Wellness

Guillory

Migraine

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

"Guillory" Surname 15.7%

23andMe Users 16.4%

Are health conditions linked to the last name Guillory?

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 Guillory 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

French & German 60.8%

23andMe Users 57.2%