Explore the Family Name Okada

The meaning of Okada

Japanese: written 岡田 ‘rice paddy on the hill’. This is a common placename throughout Japan, but the surname is mainly found in western Japan. Some characteristic forenames: Japanese Keiko, Takeshi, Akira, Isao, Mitsuko, Naoko, Satoshi, Seiki, Shigeru, Susumu, Yuko, Aki.

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

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

Based on data from the Decennial U.S. Census, the popularity of the surname Okada experienced a slight decrease between 2000 and 2010. In 2000, it was ranked as the 14,101st most popular surname in the United States, falling to 14,893rd place by 2010, a dip of -5.62%. Despite the drop in rank, the actual count of individuals with the Okada surname saw a minor increase of 1.48% over the same period, rising from 1958 to 1987. However, when looking at the proportion of people with this name per 100,000 residents, there was a decrease of -8.22%, from 0.73 in 2000 to 0.67 in 2010.

20002010Change
Rank#14,101#14,893-5.62%
Count1,9581,9871.48%
Proportion per 100k0.730.67-8.22%

Race and Ethnicity of people with the last name Okada

Regarding ethnic identity, the Decennial U.S. Census data reveals that the majority of individuals with the Okada surname identified as Asian/Pacific Islander in both 2000 and 2010, although this percentage dropped slightly from 84.68% to 81.43%. During this same decade, there was a significant increase (32.95%) in individuals identifying as two or more races, increasing from 6.89% to 9.16%. The percentage of individuals of White ethnicity with this surname also increased slightly from 6.13% to 6.44%, while those identifying as Hispanic experienced a rise of 27.56%, going from 2.25% to 2.87%. There were no reported instances of the surname among Black and American Indian and Alaskan Native populations in either year.

20002010Change
Asian/Pacific Islander84.68%81.43%-3.84%
Two or More Races6.89%9.16%32.95%
White6.13%6.44%5.06%
Hispanic2.25%2.87%27.56%
Black0%0%0%
American Indian and Alaskan Native0%0%0%

Okada 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 Okada is Japanese, which comprises 68.5% of all ancestry found in people with the surname. The next two most common ancestries are British & Irish (10.1%) and French & German (6.5%). Additional ancestries include Filipino & Austronesian, Spanish & Portuguese, Chinese, Ashkenazi Jewish, and Korean.

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ANCESTRY BREAKDOWNCOMPOSITION
Japanese68.5%
British & Irish10.1%
French & German6.5%
Other14.9%
Okada

Possible origins of the surname Okada

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

RECENT ANCESTRY LocationPercentage
Hiroshima Prefecture, Japan64.50%
Okinawa Prefecture, Japan50.00%
Tokyo, Japan43.50%
Yamaguchi Prefecture, Japan25.80%
Fukuoka Prefecture, Japan25.80%

What Okada 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 Okada is O-F2415, which is predominantly found among people with East Asian & Indigenous American ancestry. Haplogroup O-F2415 is descended from haplogroup O-M1359. Other common haplogroups include E-M183 and O-F2859, which are predominantly found among people with European and East Asian & Indigenous American ancestry.

The most common maternal haplogroups of people with Okada surname are: M, N, D4. These most commonly trace back to individuals of European ancestry.

okadaPaternal Haplogroup Origins O-M1359
Paternal Haplo Image

Your paternal lineage may be linked to the Cham

One of the many populations harboring members of haplogroup O1b1a1a1a1 is the Cham ethnic group, a group of people who speak Austronesian languages in Mainland Southeast Asia. Austronesian languages make up a language family that is extremely large and widespread, comprising over 350 million people on islands such as Madagascar, Easter Island, and many others. However, Austronesian languages are less common on mainland Asia, with a notable exception being the Chamic language. Research suggests that ancestors of the Cham people migrated from Southeast Asian islands to the mainland around the year 500 BCE, and that early Cham populations quickly began mixing with indigenous southern Vietnamese populations. As a result, the Chamic language now has words that were borrowed from languages spoken by indigenous Vietnamese people. It is likely that an ancestral Kinh population was one of the populations that mixed with the Cham people shortly after their migration to mainland Asia.

Your maternal lineage may be linked to the Han

Members of haplogroup D are found in both northern and southern Han Chinese populations at low to moderate frequencies. The Han people, who all share the same language and similar cultural practices, are the largest ethnic group in the world, with about 1.2 billion people. Historical evidence shows that Han people are descendants of the ancient Huaxia tribes that come from northern China, and Han language and culture only expanded into southern China in the last 2,000 years. The spread of Han people and culture from northern to southern China was likely driven by warfare and famine in the north.

Maternal Haplo Image

What do people with the surname Okada 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

Okada

Chocolate Ice Cream

Prefers chocolate flavored ice cream over other flavors.

"Okada" Surname 36.4%

23andMe Users 41.3%

Traits

Okada

Cheek Dimples

Small indentations that appear on the cheeks when a person smiles.

"Okada" Surname 47.1%

23andMe Users 37.6%

Habits

Okada

Vitamin Use

Takes vitamins on a regular basis.

"Okada" Surname 50.0%

23andMe Users 45.5%

Wellness

Okada

Migraine

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

"Okada" Surname 10.9%

23andMe Users 16.4%

Are health conditions linked to the last name Okada?

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 Okada are shown below. Important Note: not everyone with a disease allele will develop these health condition

Celiac Disease

HLA-DQ8 variant

Celiac disease is an autoimmune condition in which the consumption of gluten (found in wheat, barley, and rye) can result in damage to the small intestine. Celiac disease can lead to both digestive and non-digestive problems. The 23andMe Health + Ancestry DNA test includes two common variants associated with an increased risk of developing this condition. Learn more about Celiac Disease

Japanese 18.2%

23andMe Users 20.0%