Find out how popular the last name Adachi is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named Adachi.

Adachi, like all of the last names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Adachi surname is from the 2010 census data.

Popularity of Adachi in America

Adachi is the 28131st most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Adachi surname appeared 851 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 people would have the surname Adachi.

We can also compare 2010 data for Adachi to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

The history of the last name Adachi

The surname Adachi originates from Japan and can be traced back to the late 8th century. It is believed to have derived from the Japanese words "ada," meaning "trough" or "valley," and "chi," meaning "blood" or "genealogy." This suggests that the name may have initially referred to someone who lived in a valley or a place where a significant historical event involving bloodshed occurred.

In ancient Japanese records, the name Adachi first appeared in the Shoku Nihongi, a historical text compiled in the late 8th century. The text mentions an individual named Adachi no Fumihito, who served as a provincial governor during the Nara period (710-794 CE).

One of the earliest recorded bearers of the Adachi name was Adachi no Naganori, a prominent samurai warrior who lived in the late 12th century. He played a crucial role in the Genpei War, a conflict between the Minamoto and Taira clans that ultimately led to the establishment of the Kamakura shogunate.

During the Edo period (1603-1868), the Adachi family held significant influence in the Tosa Domain (present-day Kochi Prefecture). Several members of the family served as regional lords and administrators, contributing to the governance and cultural development of the area.

In the early 20th century, Adachi Kenzō (1899-1990) was a renowned Japanese playwright and novelist known for his works that explored themes of social injustice and the human condition. His plays, such as "The Mahjong Philosophers" and "The Earthquake," brought him both critical acclaim and controversy.

Another notable figure with the Adachi surname was Adachi Toshiaki (1901-1990), a Japanese businessman and philanthropist. He played a significant role in the reconstruction efforts after World War II and founded the Adachi Foundation, which supported educational and cultural initiatives in Japan.

Throughout history, the Adachi name has been associated with various professions, including artists, scholars, and military leaders. While the name originated in Japan, it has spread globally due to migration and cultural exchange, carrying with it the rich heritage and history of its bearers.

Race and ethnic origin of people with the last name Adachi

We also have some data on the ancestry of people with the surname Adachi.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups:

1. White only
2. Black only
3. American Indian and Alaskan Native only
4. Asian and Pacific Islander only
5. Hispanic
6. Two or More Races

For the most recent 2010 census data, the race/ethnic origin breakdown for Adachi was:

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Adachi has changed in the 10 years between the two census surveys.

Data source

The last name data and ethnic breakdown of last names is sourced directly from the Decennial Census survey, conducted every 10 years by the United States Census Bureau.

The history and meaning of the name Adachi was researched and written by our team of onomatology and genealogy experts.

If you have a correction or suggestion to improve the history of Adachi, please contact us.

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