Explore the Family Name Keenan

The meaning of Keenan

Irish: Anglicized form of Gaelic Ó Cianáin ‘son of Cianán’, a personal name from a diminutive of cian ‘distant, long’, or possibly of Mac Fhinghin ‘fair offspring’. Some characteristic forenames: Irish Brendan, Colm, Aileen, Declan, Fergal, Mairead, Paddy, Roisin, Siobhan.

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

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

According to data from the Decennial U.S. Census, the popularity of the surname Keenan has seen minor fluctuations over a decade. In 2000, Keenan was ranked 1707th most popular surname, and by 2010 it had slipped slightly to 1765th, marking a decline of 3.4%. However, despite the drop in rank, the actual count of individuals bearing the surname Keenan increased from 19,275 in 2000 to 20,353 in 2010, an upsurge of approximately 5.59%. The proportion per 100,000 people also saw a slight decrease of 3.5%, falling from 7.15 to 6.9.

20002010Change
Rank#1,707#1,765-3.4%
Count19,27520,3535.59%
Proportion per 100k7.156.9-3.5%

Race and Ethnicity of people with the last name Keenan

In terms of ethnic identity, the Decennial U.S. Census provides an interesting insight into the distribution of the Keenan surname among different ethnic groups. The highest percentage of people with this surname identified as White, although this dominance declined slightly from 94.50% in 2000 to 92.87% in 2010. The second most common ethnicity was Black, which saw a modest increase from 2.13% to 2.22% over the same period. The Asian/Pacific Islander and Hispanic communities also saw substantial growth in the number of Keenans, with increases of 54.76% and 64.75% respectively. The count of those identifying as two or more races increased by 36.28%, while the American Indian and Alaskan Native group maintained a stable 0.43% throughout the decade.

20002010Change
White94.5%92.87%-1.72%
Hispanic1.39%2.29%64.75%
Black2.13%2.22%4.23%
Two or More Races1.13%1.54%36.28%
Asian/Pacific Islander0.42%0.65%54.76%
American Indian and Alaskan Native0.43%0.43%0%

Keenan 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 Keenan is British & Irish, which comprises 59.1% of all ancestry found in people with the surname. The next two most common ancestries are French & German (16.3%) and Eastern European (6.0%). Additional ancestries include Italian, Scandinavian, Spanish & Portuguese, Ashkenazi Jewish, and Indigenous American.

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ANCESTRY BREAKDOWNCOMPOSITION
British & Irish59.1%
French & German16.3%
Eastern European6.0%
Other18.5%
Keenan

Possible origins of the surname Keenan

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 Keenan have recent ancestry locations in United Kingdom and Ireland.

RECENT ANCESTRY LocationPercentage
Greater London, United Kingdom86.50%
Greater Manchester, United Kingdom86.40%
Glasgow City, United Kingdom86.40%
Merseyside, United Kingdom86.40%
West Midlands, United Kingdom85.90%

What Keenan 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 Keenan 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-L21 and R-A260, which are predominantly found among people with European and European ancestry. Other surnames with similar common haplogroups are: Conley, Devine, Meehan, Mccarthy, Mcgowan, Mcdonnell, Gibbons, Gee, Maxwell, Duffy.

The most common maternal haplogroups of people with Keenan surname are: H1, T2b, H. These most commonly trace back to individuals of European ancestry.

keenanPaternal 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 Keenan 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

Keenan

Chocolate Ice Cream

Prefers chocolate flavored ice cream over other flavors.

"Keenan" Surname 46.1%

23andMe Users 41.3%

Traits

Keenan

Misophonia

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

"Keenan" Surname 28.2%

23andMe Users 27.9%

Habits

Keenan

Sugary Drink

Drinks one or more sugary drinks per day.

"Keenan" Surname 16.8%

23andMe Users 21.1%

Wellness

Keenan

Migraine

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

"Keenan" Surname 17.1%

23andMe Users 16.4%

Are health conditions linked to the last name Keenan?

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 Keenan 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%