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

Ouchi, 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 Ouchi surname is from the 2010 census data.

Popularity of Ouchi in America

Ouchi is the 62045th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Ouchi surname appeared 323 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 Ouchi.

We can also compare 2010 data for Ouchi 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 Ouchi

The surname OUCHI is of Japanese origin and can be traced back to the late 12th century. It originated from the name of a powerful samurai clan, the Ouchi family, who ruled over parts of western Japan during the Muromachi period. The name itself is likely derived from the Japanese word "ouchi," meaning "inside the residence" or "within the manor."

One of the earliest recorded instances of the OUCHI surname is found in the Azuma Kagami, a historical chronicle compiled in the 14th century. This text documented the rise of the Ouchi clan and their involvement in various political and military conflicts during that era.

In the 15th century, the OUCHI surname gained prominence with Ouchi Masahiro (1446-1495), a renowned daimyo (feudal lord) who controlled vast territories in present-day Yamaguchi and Hiroshima prefectures. His descendants, such as Ouchi Yoshitaka (1507-1551), continued to play influential roles in the region's affairs.

During the Sengoku period (1467-1615), the OUCHI clan faced challenges from rival clans and eventually declined in power. However, their legacy lived on through various branches and cadet lines that carried the OUCHI surname.

Another notable figure associated with the OUCHI surname was Ouchi Fukuchi (1611-1670), a renowned scholar and Confucian philosopher who served the Tokugawa shogunate. His writings and teachings had a significant impact on the intellectual discourse of the time.

In the Edo period (1603-1868), the OUCHI surname was also found among samurai families and retainers who served various daimyo lords across Japan. One such example is Ouchi Yoshiaki (1727-1797), a skilled swordsman and instructor in the Shindo Munen-ryu school of swordsmanship.

Throughout history, the OUCHI surname has been associated with various place names and locations in Japan, particularly in the Chugoku region. Some examples include Ouchi-juku, a former post town in Fukushima Prefecture, and the Ouchi district in Yamaguchi Prefecture, which was once part of the Ouchi clan's domain.

While the OUCHI surname may have diminished in prominence in modern times, it remains an integral part of Japan's historical tapestry, reflecting the legacy of a once-powerful samurai clan and the enduring cultural traditions of the country.

Race and ethnic origin of people with the last name Ouchi

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

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 Ouchi 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 Ouchi 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 Ouchi was researched and written by our team of onomatology and genealogy experts.

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

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