Explore the Family Name Flood
The meaning of Flood
1. English: topographic name from Middle English flod, flud(e) ‘stream’ (Old English flōd) or ‘channel, gutter’ (Old English flōde), for someone who lived beside such a feature or who lived at a place so called, such as Flood in Drewsteignton and Fludda in Hennock, both in Devon. 2. Welsh: variant of Floyd, an Anglicized form of the Welsh personal name Llwyd (see Lloyd). 3. Irish: translation into English of various names correctly or erroneously associated with Gaelic tuile ‘flood’ (see Toole and Tully).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Flood in the United States?
Based on the Decennial U.S. Census, the surname Flood saw a slight decrease in popularity between 2000 and 2010. The surname's rank fell by 6.36 percent from 1998 to 2125. Despite this drop in ranking, the actual count of individuals with the Flood surname increased marginally by 2.41 percent, from 16,652 to 17,053. The proportion of individuals with the Flood surname per 100,000 people also declined slightly by 6.32 percent.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #1,998 | #2,125 | -6.36% |
| Count | 16,652 | 17,053 | 2.41% |
| Proportion per 100k | 6.17 | 5.78 | -6.32% |
Race and Ethnicity of people with the last name Flood
In terms of ethnicity, the Flood surname showed significant diversity according to the Decennial U.S. Census data. From 2000 to 2010, there was an increase in the percentage of individuals with the Flood surname who identified as Asian/Pacific Islander, Two or more races, Hispanic, Black, and American Indian and Alaskan Native. The largest ethnic identity growth was seen among those identifying as Hispanic, which rose by 50.30 percent. However, White remained the most common ethnic identity associated with the Flood surname, even though its percentage decreased slightly by 2.22 percent over the decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 81.07% | 79.27% | -2.22% |
| Black | 14.1% | 14.55% | 3.19% |
| Hispanic | 1.65% | 2.48% | 50.3% |
| Two or More Races | 1.45% | 1.78% | 22.76% |
| American Indian and Alaskan Native | 1.23% | 1.3% | 5.69% |
| Asian/Pacific Islander | 0.49% | 0.62% | 26.53% |
Flood 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 Flood is British & Irish, which comprises 59.8% of all ancestry found in people with the surname. The next two most common ancestries are French & German (17.1%) and Eastern European (4.7%). Additional ancestries include Scandinavian, Italian, Spanish & Portuguese, Ashkenazi Jewish, and Indigenous American.
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| ANCESTRY BREAKDOWN | COMPOSITION |
|---|---|
| British & Irish | 59.8% |
| French & German | 17.1% |
| Eastern European | 4.7% |
| Other | 18.4% |
Possible origins of the surname Flood
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 Flood have recent ancestry locations in the United Kingdom of Great Britain and Northern Ireland and Ireland.
| RECENT ANCESTRY Location | Percentage |
|---|---|
| Merseyside, United Kingdom | 87.90% |
| Greater Manchester, United Kingdom | 87.90% |
| Greater London, United Kingdom | 87.90% |
| Glasgow City, United Kingdom | 87.70% |
| West Midlands, United Kingdom | 87.10% |
What Flood 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 Flood is R-S846, which is predominantly found among people with European ancestry. Haplogroup R-S846 is descended from haplogroup R-M343. Other common haplogroups include R-L21 and R-L1066.1, which are predominantly found among people with European and European ancestry. Other surnames with similar common haplogroups are: Fagan, Farrell, Sheridan, Ferrell, Tompkins, Earley, Mccormick, Mccormack, Cullen, Early.
The most common maternal haplogroups of people with Flood surname are: H1, T2b, H. These most commonly trace back to individuals of European ancestry.
Paternal Haplogroup Origins R-M343Your 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 Flood 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.
"Flood" Surname 40.2%
23andMe Users 41.3%
Traits
Misophonia
When sounds made by others, like the sound of chewing or yawning, provoke strong emotional reactions in an individual.
"Flood" Surname 17.9%
23andMe Users 27.9%
Habits
Sugary Drink
Drinks one or more sugary drinks per day.
"Flood" Surname 25.3%
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.
"Flood" Surname 18.0%
23andMe Users 16.4%
Are health conditions linked to the last name Flood?
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 Flood are shown below. Important Note: not everyone with a disease allele will develop these health condition