2000
#147,095
National surname rank
Recorded bearers 103
First available Census row
Per 100,000 0.04
Very Rare Last name
Momohara
A Japanese surname derived from a place name meaning "peach meadow".
According to the 2020 US Census Bureau surname tables, roughly 128 Americans carry the last name Momohara. That puts it at #147,954 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,677,768 residents).
This page is the full Name Census profile for the Momohara surname. You will find the Census Bureau frequency data, a multi-census history view, 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
128
1 in 2,677,768
Census rank
#147,954
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
112
very rare in the US
Popularity narrative
The Census Bureau recorded 112 bearers of the surname Momohara in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 147954th position in the national surname ranking.
Among Census respondents with the surname Momohara, the largest self-reported group is Asian/Pacific Islander at 81.3%. The next largest groups are Two or More Races (9.8%) and Hispanic (7.1%).
Origin
Meaning and origin of Momohara
The surname MOMOHARA originated in Japan, with the earliest known records dating back to the late 16th century. It is believed to have derived from the Japanese words "momo" meaning peach and "hara" meaning field or meadow, suggesting that the name may have originated from a location known for its peach orchards or peach cultivation.
During the Edo period (1603-1868), the MOMOHARA name appeared in various historical documents and records, particularly those related to agricultural communities and landowners in the Kansai region of western Japan. One of the earliest known mentions of the name can be found in a 1624 land registry from the town of Mino, where a family by the name of MOMOHARA is listed as landowners.
In the late 18th century, a prominent figure named MOMOHARA Tsunetoki (1745-1819) gained recognition as a scholar and poet. He authored several works on classical Japanese literature and served as a tutor to members of the imperial court.
The MOMOHARA name also has roots in the Tokugawa shogunate, with a samurai warrior named MOMOHARA Masanori (1569-1632) serving as a retainer to the powerful Tokugawa clan. Records indicate that he participated in several military campaigns during the Sengoku period of the late 16th century.
Another notable figure was MOMOHARA Yuzuki (1812-1887), a businessman and philanthropist from the Osaka region. He established several successful trading companies and used his wealth to fund the construction of schools and hospitals in his hometown.
In the late 19th century, the MOMOHARA name appeared in the records of Japanese immigrants to the United States, with one of the earliest arrivals being MOMOHARA Kenji (1861-1932), who settled in Hawaii and worked as a plantation laborer before eventually establishing his own business.
Throughout its history, the MOMOHARA surname has been associated with various locations across Japan, including the towns of Mino, Osaka, and Kyoto, as well as the former provinces of Yamato and Kawachi. While not a particularly common name, it has been carried by individuals from diverse backgrounds, ranging from samurai warriors to scholars, businessmen, and immigrants.
Demographics
Ancestry and ethnicity for Momohara
Among Census respondents with the surname Momohara, the largest self-reported group is Asian/Pacific Islander at 81.3%. The next largest groups are Two or More Races (9.8%) and Hispanic (7.1%).
The bar chart below shows how Momohara bearers described their own race and ethnicity on the 2020 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.
Percentages are shown for every Census year so the breakdown stays comparable over time. When the source file also includes raw headcounts, Name Census shows those alongside the percentages in the legend.
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 Momohara surname at the time of the 2020 Census, not any inherent property of the name itself.
- Asian and Pacific Islander81.3% · 91
- Two or more races9.8% · 11
- Hispanic or Latino7.1% · 8
- White1.8% · 2
Timeline
Historical Census data for Momohara
Momohara appears in 3 published Census surname files: 2000, 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2010
#146,201
National surname rank
Recorded bearers 113
+10 bearers (+9.7%)
Per 100,000 0.04
Rank movement Up 894 places
2020
#147,954
National surname rank
Recorded bearers 112
-1 bearers (-0.9%)
Per 100,000 0.04
Rank movement Down 1,753 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #147,095 | 103 | 0.04 | First available Census row | First available Census row |
| 2010 | #146,201 | 113 | 0.04 | +10 bearers (+9.7%) | Up 894 places |
| 2020 | #147,954 | 112 | 0.04 | -1 bearers (-0.9%) | Down 1,753 places |
For 2020, the Census Bureau published race and Hispanic-origin columns as counts rather than percentages. Name Census converts those counts back into shares so the ancestry section stays comparable with the older surname files.
Year on year
2010 vs 2020 Census
How has the Momohara surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
20102020
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #146,201 | #147,954 | -1.2% |
| Count | 113 | 112 | -0.9% |
| Per 100K | 0.04 | 0.04 | -6.3% |
Between the 2010 and 2020 Census, the number of Momohara bearers went from 113 to 112 (-0.9% change). The surname moved down 1,753 positions in the national ranking, going from #146,201 to #147,954.
FAQ
Momohara surname: questions and answers
How many people in the U.S. have the surname Momohara?
Name Census estimates that about 128 living Americans carry the surname Momohara. Using the current population baseline, that works out to roughly 1 in 2,677,768 residents.
How common is Momohara?
Momohara ranks #147,954 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.04 per 100,000 residents, which is about 0 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 112 people with the surname Momohara. That is different from the site's living-bearer estimate (128), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.04 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.04 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 0 of them to have the surname Momohara.
Has Momohara become more or less common over time?
Between 2010 and 2020, the surname Momohara went from 113 recorded bearers to 112. That is a decrease of 1 (-0.9%). In the national ranking it fell from #146,201 to #147,954.
What does the Census say about the background of Momohara?
Among Census respondents with the surname Momohara, the largest self-reported group is Asian/Pacific Islander at 81.3%. The next largest groups are Two or More Races (9.8%) and Hispanic (7.1%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Which group reports this surname most often?
Asian/Pacific Islander is the largest self-reported group for the surname Momohara in the 2020 Census, accounting for 81.3% (91 people in the source table).
What is the full ancestry breakdown?
Momohara appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Asian/Pacific Islander (81.3%), Two or More Races (9.8%), Hispanic (7.1%). For 2020, the source file also published raw headcounts for each group, which is why this page can show both percentages and counts in the ancestry section.
Is this page using the latest Census data?
Yes. This page is using the latest surname file currently loaded on Name Census, which is 2020. The historical section above also keeps any older Census surname entries we have for Momohara (2000, 2010, 2020).
Does the Census include every surname?
No. The Census Bureau only publishes surnames that appeared at least 100 times in a given decennial Census. That means very rare surnames are excluded entirely, and a surname can appear in one Census release but disappear from a later one if it falls below the reporting threshold.
Why don't the ancestry percentages always add up to exactly 100%?
There are two main reasons: rounding and suppression. The Census Bureau rounds published values, and it may suppress very small cells to protect privacy. For 2020, the Bureau also published raw group counts rather than direct percentages, so Name Census converts those counts back into shares for comparability across census years.
What does Momohara mean?
A Japanese surname derived from a place name meaning "peach meadow". The fuller origin note on this page goes into more detail.
Where does the surname data come from?
All surname statistics on Name Census are drawn from the US Census Bureau's decennial surname frequency tables. These files list every surname that appeared 100 or more times in the 2020 Census, along with a count, a per-100,000 rate, and a self-reported demographic breakdown. You can read the full explanation on our methodology page.
How does Name Census estimate living bearers?
For surnames, Name Census does not age cohorts the way it does for first names. Instead, it takes the Census Bureau's published frequency for Momohara (0.04 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
How many people have the surname Momohara?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.