Explore the Family Name Loos
The meaning of Loos
1. German: habitational name from any of several places called Loose or Loosey. 2. North German: from a short form of Nikolaus, German form of Nicholas. 3. Flemish and Dutch: nickname from the adjective loos ‘cunning, artful, guileful’. 4. English: variant of Loose.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Loos in the United States?
According to the Decennial U.S. Census data on surname popularity, "Loos" was ranked 7289th in the year 2000 with a count of 4216 individuals carrying the name. By the year 2010, the popularity rank of the name slid down to 8159, representing an 11.94% decrease. The number of people bearing the surname also slightly decreased by 3.61% during this decade, falling to 4064. Consequently, the proportion of people named "Loos" per 100,000 decreased by 11.54%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #7,289 | #8,159 | -11.94% |
| Count | 4,216 | 4,064 | -3.61% |
| Proportion per 100k | 1.56 | 1.38 | -11.54% |
Race and Ethnicity of people with the last name Loos
Based on the Decennial U.S. Census data pertaining to ethnic identity, the distribution of the "Loos" surname across various ethnic groups saw notable changes between 2000 and 2010. Predominantly associated with the White ethnicity (96.47% in 2000 and 95.1% in 2010), minor shifts were observed in other ethnic identities. The Asian/Pacific Islander representation saw a slight decrease of 11.93%. The representation among those identifying with two or more races, however, increased significantly by 116.67%. Similarly, the Hispanic representation rose by 54.95%, while the Black carrier percentage slightly declined by 24.44%. Meanwhile, there was a substantial increase of 109.52% in the American Indian and Alaskan Native category, although it remained a small fraction of the overall distribution.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.47% | 95.1% | -1.42% |
| Hispanic | 1.11% | 1.72% | 54.95% |
| Two or More Races | 0.66% | 1.43% | 116.67% |
| Asian/Pacific Islander | 1.09% | 0.96% | -11.93% |
| American Indian and Alaskan Native | 0.21% | 0.44% | 109.52% |
| Black | 0.45% | 0.34% | -24.44% |
Loos 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 Loos is French & German, which comprises 45.7% of all ancestry found in people with the surname. The next two most common ancestries are British & Irish (34.3%) and Eastern European (7.6%). Additional ancestries include Scandinavian, Italian, Filipino & Austronesian, Spanish & Portuguese, and Greek & Balkan.
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| ANCESTRY BREAKDOWN | COMPOSITION |
|---|---|
| French & German | 45.7% |
| British & Irish | 34.3% |
| Eastern European | 7.6% |
| Other | 12.3% |
Possible origins of the surname Loos
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 Loos have recent ancestry locations in the United Kingdom of Great Britain and Northern Ireland and Ireland.
| RECENT ANCESTRY Location | Percentage |
|---|---|
| Merseyside, United Kingdom | 79.40% |
| Greater Manchester, United Kingdom | 79.40% |
| Greater London, United Kingdom | 79.40% |
| Glasgow City, United Kingdom | 79.40% |
| Tyne And Wear, United Kingdom | 79.40% |
What Loos 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 Loos is R-M417, which is predominantly found among people with European ancestry. Haplogroup R-M417 is descended from haplogroup R-M420. Other common haplogroups include R-L48 and R-L21, which are predominantly found among people with European and European ancestry. Other surnames with similar common haplogroups are: Johansen, Greaves, Dale, Betts, Rhodes, Appleton, George, Eberhardt, Beyer, Stephan.
The most common maternal haplogroups of people with Loos surname are: N, H1, H. These most commonly trace back to individuals of European ancestry.
Paternal Haplogroup Origins R-M420Your 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 Loos 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.
"Loos" Surname 34.8%
23andMe Users 41.3%
Traits
Cheek Dimples
Small indentations that appear on the cheeks when a person smiles.
"Loos" Surname 30.0%
23andMe Users 37.6%
Habits
Sugary Drink
Drinks one or more sugary drinks per day.
"Loos" Surname 19.5%
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.
"Loos" Surname 12.0%
23andMe Users 16.4%
Are health conditions linked to the last name Loos?
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 Loos are shown below. Important Note: not everyone with a disease allele will develop these health condition