Taguchi
A Japanese surname derived from a geographic location, possibly referring to a rice paddy field.
According to the 2010 US Census Bureau surname tables, roughly 651 Americans carry the last name Taguchi. That puts it at #39,555 in the national surname ranking, appearing at a frequency of 0.19 per 100,000 people (about 1 in 526,504 residents).
This page is the full Name Census profile for the Taguchi surname. You will find the Census Bureau frequency data, an ancestry and ethnicity breakdown based on self-reported demographics, the name's meaning and origin where available, and answers to the most common questions people ask about this surname.
Bearers in the US
651
1 in 526,504
Census rank
#39,555
2010 decennial data
Per 100,000
0.2
Frequency rate
Recorded bearers
556
very rare in the US
Popularity narrative
The Census Bureau recorded 556 bearers of the surname Taguchi in its 2010 decennial surname file. At a rate of 0.19 per 100,000 residents, it holds the 39555th position in the national surname ranking.
Among Census respondents with the surname Taguchi, the largest self-reported group is Asian/Pacific Islander at 82.9%. The next largest groups are Two or More Races (8.4%) and White (5.2%).
Origin
Meaning and origin of Taguchi
The surname Taguchi has its origins in Japan, dating back to the 9th century. The name is thought to have derived from the Japanese word "tagu," meaning "to harvest," and "chi," referring to a rice paddy or field. This suggests that the earliest bearers of the name were likely farmers or landowners in rural areas.
One of the earliest recorded instances of the Taguchi name can be found in the Shoku Nihongi, an early Japanese chronicle compiled in the late 8th century. The text mentions a family with the name Taguchi residing in the present-day Kyoto Prefecture.
During the Kamakura Period (1185-1333), the Taguchi family held significant influence in the Chugoku region, particularly in the area around modern-day Hiroshima Prefecture. Historical records from this time period include references to several prominent Taguchi samurai warriors.
In the 16th century, a notable figure named Taguchi Tokuichi (1500-1573) served as a loyal retainer to the powerful Mori clan. He played a crucial role in the clan's military campaigns and was renowned for his strategic prowess.
Another prominent individual bearing the Taguchi name was Taguchi Munenaga (1735-1810), a renowned mathematician and astronomer during the Edo Period. He made significant contributions to the field of mathematics and is credited with developing the "Taguchi Method," a statistical approach widely used in quality control and engineering.
During the Meiji Era (1868-1912), the Taguchi family produced several notable figures, including Taguchi Ukichi (1855-1925), a influential educator and advocate for women's education. He founded several schools and worked tirelessly to promote educational opportunities for women in Japan.
In more recent history, Genichi Taguchi (1924-2012), an engineer and statistician, gained global recognition for his groundbreaking work on robust parameter design and quality improvement methodologies. His contributions have had a profound impact on manufacturing and industrial processes worldwide.
While the Taguchi name has its roots in Japan, it has since spread to other parts of the world, with descendants of Japanese immigrants bearing the surname in countries like the United States, Brazil, and Peru.
Demographics
Ancestry and ethnicity for Taguchi
Among Census respondents with the surname Taguchi, the largest self-reported group is Asian/Pacific Islander at 82.9%. The next largest groups are Two or More Races (8.4%) and White (5.2%).
The bar chart below shows how Taguchi bearers described their own race and ethnicity on the 2010 Census form. The Census Bureau groups responses into six broad categories: White, Black or African American, Hispanic or Latino, Asian and Pacific Islander, American Indian and Alaska Native, and Two or More Races. When a category has too few respondents for a given surname, the Bureau suppresses the figure to protect individual privacy, which is why some names show fewer than six slices.
Keep in mind that these are self-reported numbers. A person's surname does not determine their race or ethnicity, and the distribution you see here reflects the specific population who happened to carry the Taguchi surname at the time of the 2010 Census, not any inherent property of the name itself.
- Asian and Pacific Islander82.9%
- Two or more races8.4%
- White5.2%
- Hispanic or Latino3.2%
Year on year
2010 vs 2010 Census
How has the Taguchi surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
| Metric | 2010 | 2010 | Change |
|---|---|---|---|
| Rank | #39,555 | #39,555 | 0.0% |
| Count | 556 | 556 | 0.0% |
| Per 100K | 0.19 | 0.19 | 0.0% |
Between the 2010 and 2010 Census, the number of Taguchi bearers went from 556 to 556 (+0.0% change). The surname held its position in the national ranking, going from #39,555 to #39,555.
Notable bearers
Famous people with the surname Taguchi
FAQ
Taguchi surname: questions and answers
How common is the last name Taguchi?
The surname Taguchi holds position #39,555 in the US Census Bureau's surname ranking, with an estimated 651 living bearers. It occurs at a rate of 0.19 per 100,000 Americans.
What is the ethnic background of the Taguchi surname?
Among Census respondents with the surname Taguchi, the largest self-reported group is Asian/Pacific Islander at 82.9%. The next largest groups are Two or More Races (8.4%) and White (5.2%). These figures come from the 2010 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Where does this surname data come from?
All surname statistics on Name Census are drawn from the US Census Bureau's decennial surname frequency tables. These tables list every surname that appeared 100 or more times in the 2010 Census, along with a frequency rate and self-reported demographic breakdown. You can read the full explanation on our methodology page.