Explore the Family Name Cosgrove

The meaning of Cosgrove

1. Irish (Fermanagh; Armagh): adopted for Ó Coscraigh ‘descendant of Coscrach’ or Mac Coscraigh ‘son of Coscrach’, a byname meaning ‘victorious, triumphant’, from coscur ‘victory, triumph’. 2. English: habitational name from Cosgrove in Northamptonshire, named with an Old English personal name Cōf + Old English grāf ‘grove, thicket’.

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

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

Based on the Decennial U.S. Census, Cosgrove was the 3,480th most popular surname in 2000 and slipped to 3,749th place in 2010, marking a slight decrease of 7.73 percent. However, the number of people bearing the surname Cosgrove slightly increased from 9,393 in 2000 to 9,441 in 2010. This represents a modest growth of 0.51 percent. The proportion of individuals named Cosgrove per 100,000 decreased by 8.05 percent from 3.48 to 3.2 in the same period.

20002010Change
Rank#3,480#3,749-7.73%
Count9,3939,4410.51%
Proportion per 100k3.483.2-8.05%

Race and Ethnicity of people with the last name Cosgrove

In terms of ethnicity, the Cosgrove surname shows some shifts over the decade based on data from the Decennial U.S. Census. While individuals identifying as white continue to make up the majority of those with the surname, there was a minimal decrease of 1 percent from 2000 to 2010. In contrast, those identifying as Hispanic saw an increase of 62.41 percent, although they still represent only a small fraction of the total. People of Asian/Pacific Islander ethnicity increased by 24.44 percent. Those identifying with two or more races and as American Indian and Alaskan Native also saw increases, by 4.85 percent and 6.67 percent, respectively. Conversely, there was a decrease of 15.15 percent among Black individuals bearing the surname.

20002010Change
White96.31%95.35%-1%
Hispanic1.41%2.29%62.41%
Two or More Races1.03%1.08%4.85%
Asian/Pacific Islander0.45%0.56%24.44%
Black0.66%0.56%-15.15%
American Indian and Alaskan Native0.15%0.16%6.67%

Cosgrove 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 Cosgrove is British & Irish, which comprises 58.1% of all ancestry found in people with the surname. The next two most common ancestries are French & German (17.7%) and Eastern European (6.8%). Additional ancestries include Italian, Scandinavian, Ashkenazi Jewish, Spanish & Portuguese, and Greek & Balkan.

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ANCESTRY BREAKDOWNCOMPOSITION
British & Irish58.1%
French & German17.7%
Eastern European6.8%
Other17.5%
Cosgrove

Possible origins of the surname Cosgrove

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 Cosgrove have recent ancestry locations in the United Kingdom of Great Britain and Northern Ireland and Ireland.

RECENT ANCESTRY LocationPercentage
Greater London, United Kingdom86.90%
Merseyside, United Kingdom86.90%
Greater Manchester, United Kingdom86.90%
West Midlands, United Kingdom86.60%
Glasgow City, United Kingdom86.20%

What Cosgrove 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 Cosgrove 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 R-CTS241 and R-CTS2457.2, which are predominantly found among people with European and European ancestry. Other surnames with similar common haplogroups are: Hannigan, O'Neill, Nugent, O'Neil, O'Neal, Colvin, Hewitt, Powell, Sanderson, Quinlan.

The most common maternal haplogroups of people with Cosgrove surname are: H1, K1a, H. These most commonly trace back to individuals of European ancestry.

cosgrovePaternal 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 Cosgrove 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

Cosgrove

Chocolate Ice Cream

Prefers chocolate flavored ice cream over other flavors.

"Cosgrove" Surname 47.6%

23andMe Users 41.3%

Traits

Cosgrove

Misophonia

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

"Cosgrove" Surname 28.2%

23andMe Users 27.9%

Habits

Cosgrove

Sugary Drink

Drinks one or more sugary drinks per day.

"Cosgrove" Surname 23.4%

23andMe Users 21.1%

Wellness

Cosgrove

Migraine

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

"Cosgrove" Surname 15.7%

23andMe Users 16.4%

Are health conditions linked to the last name Cosgrove?

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 Cosgrove 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%