2000
#139,757
National surname rank
First available Census row
A surname of French origin referring to people from Le Mans region.
According to the 2020 US Census Bureau surname tables, roughly 134 Americans carry the last name Manceaux. That puts it at #144,270 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,557,868 residents).
This page is the full Name Census profile for the Manceaux 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
134
1 in 2,557,868
Census rank
#144,270
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
117
very rare in the US
Popularity narrative
The Census Bureau recorded 117 bearers of the surname Manceaux in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 144270th position in the national surname ranking.
Among Census respondents with the surname Manceaux, the largest self-reported group is White at 93.2%. The next largest groups are Hispanic (5.1%) and Asian/Pacific Islander (0.9%).
Origin
The surname MANCEAUX originated in France, particularly in the region of Normandy, during the medieval period. It is derived from the Old French word "manceaux," which referred to people from the city of Le Mans or the surrounding area of Maine. The name is connected to the ethnic designation "Cenomanni," the Gaulish tribe that inhabited the region.
One of the earliest recorded instances of the surname MANCEAUX can be found in the Domesday Book, the great survey of England commissioned by William the Conqueror in 1086. This indicates that individuals bearing this name likely accompanied the Norman invasion of England in the 11th century.
In the 13th century, a notable figure named Guillaume MANCEAUX was a prominent French scholar and theologian. He was born around 1210 in Le Mans and later became a professor at the University of Paris, contributing to the intellectual discourse of his time.
During the 14th century, a knight named Renaud MANCEAUX was mentioned in chronicles for his valor in the Hundred Years' War between England and France. He fought alongside King Philip VI of France in several battles, including the Battle of Crécy in 1346.
In the 16th century, a merchant named Jacques MANCEAUX was recorded as having established trade routes between Le Mans and other cities in France, facilitating the exchange of goods and contributing to the economic development of the region.
Another notable individual was Jean MANCEAUX, a 17th-century philosopher and writer born in Le Mans in 1620. He authored several works on moral philosophy and ethics, which gained recognition among intellectual circles of the time.
Throughout history, variations of the name MANCEAUX have been documented, such as Manceau, Mancaux, and Manseaux, reflecting the evolution of language and regional dialects. Place names like Mancelles and Manceaux-la-Ville are also associated with the surname, indicating the strong connection to the geographical origins in Maine.
Demographics
Among Census respondents with the surname Manceaux, the largest self-reported group is White at 93.2%. The next largest groups are Hispanic (5.1%) and Asian/Pacific Islander (0.9%).
The bar chart below shows how Manceaux 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 Manceaux surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Manceaux 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.
2000
National surname rank
First available Census row
2010
National surname rank
+5 bearers (+4.5%)
2020
National surname rank
+2 bearers (+1.7%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #139,757 | 110 | 0.04 | First available Census row | First available Census row |
| 2010 | #144,141 | 115 | 0.04 | +5 bearers (+4.5%) | Down 4,384 places |
| 2020 | #144,270 | 117 | 0.04 | +2 bearers (+1.7%) | Down 129 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
How has the Manceaux 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 | 2020 | Change |
|---|---|---|---|
| Rank | #144,141 | #144,270 | -0.1% |
| Count | 115 | 117 | 1.7% |
| Per 100K | 0.04 | 0.04 | -2.1% |
Between the 2010 and 2020 Census, the number of Manceaux bearers went from 115 to 117 (+1.7% change). The surname moved down 129 positions in the national ranking, going from #144,141 to #144,270.
FAQ
Name Census estimates that about 134 living Americans carry the surname Manceaux. Using the current population baseline, that works out to roughly 1 in 2,557,868 residents.
Manceaux ranks #144,270 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.
The raw 2020 Census file counted 117 people with the surname Manceaux. That is different from the site's living-bearer estimate (134), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
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 Manceaux.
Between 2010 and 2020, the surname Manceaux went from 115 recorded bearers to 117. That is an increase of 2 (+1.7%). In the national ranking it fell from #144,141 to #144,270.
Among Census respondents with the surname Manceaux, the largest self-reported group is White at 93.2%. The next largest groups are Hispanic (5.1%) and Asian/Pacific Islander (0.9%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
White is the largest self-reported group for the surname Manceaux in the 2020 Census, accounting for 93.2% (109 people in the source table).
Manceaux appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.2%), Hispanic (5.1%), Asian/Pacific Islander (0.9%). 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.
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 Manceaux (2000, 2010, 2020).
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.
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.
A surname of French origin referring to people from Le Mans region. The fuller origin note on this page goes into more detail.
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.
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 Manceaux (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.
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.