2010
#154,907
National surname rank
Recorded bearers 105
First available Census row
Per 100,000 0.04
Very Rare Last name
Cuamatzi
A Hispanicized Nahuatl surname meaning "descendants of the ones who bear wood on their backs".
According to the 2020 US Census Bureau surname tables, roughly 133 Americans carry the last name Cuamatzi. That puts it at #145,028 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,577,100 residents).
This page is the full Name Census profile for the Cuamatzi 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
133
1 in 2,577,100
Census rank
#145,028
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
116
very rare in the US
Popularity narrative
The Census Bureau recorded 116 bearers of the surname Cuamatzi in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 145028th position in the national surname ranking.
Among Census respondents with the surname Cuamatzi, the largest self-reported group is Hispanic at 96.6%. The next largest groups are White (3.4%).
Origin
Meaning and origin of Cuamatzi
The surname CUAMATZI has its origins in Mexico, tracing back to the Nahuatl language spoken by the Aztecs and other indigenous groups in central Mexico. It likely emerged during the pre-Columbian era, before the arrival of Spanish conquistadors in the early 16th century.
CUAMATZI is believed to be derived from the Nahuatl words "cuahuitl" meaning tree or wood, and "matzi" meaning person or people. Thus, the name may have initially referred to individuals who lived in heavily wooded areas or were skilled in working with wood.
While there are no known historical references to the name CUAMATZI in ancient manuscripts or records, it is possible that variations of the spelling existed in Nahuatl codices or oral traditions. The name's roots in the Nahuatl language suggest it has been in use for centuries among indigenous communities in central Mexico.
One of the earliest recorded individuals with the surname CUAMATZI was Juan Cuamatzi, a prominent figure in the Mexican Revolution of the early 20th century. Born in 1891 in the state of Tlaxcala, he fought alongside revolutionary leaders like Emiliano Zapata and was instrumental in the establishment of agrarian reform policies.
Another notable CUAMATZI was María Cuamatzi, a renowned artist and sculptor active in the mid-20th century. Her works, often depicting indigenous cultural themes, were widely celebrated and are featured in various museums and private collections across Mexico.
In the realm of literature, Pedro Cuamatzi (1923-1998) was a celebrated poet and writer from Puebla, Mexico. His poetry collections, including "Cantos de Tierra y Sangre" (Songs of Earth and Blood), explored themes of identity, social justice, and the experiences of indigenous communities.
The name CUAMATZI has also been associated with certain place names in Mexico, such as Cuamatzi de Cañas, a town in the state of Oaxaca. This town's name likely derives from the same Nahuatl roots as the surname, reflecting the historical presence of the name in the region.
Among other notable individuals with the surname CUAMATZI was Margarita Cuamatzi (1902-1985), a prominent educator and advocate for women's rights in Mexico. She dedicated her life to improving educational opportunities for marginalized communities and was recognized for her contributions to social progress.
Demographics
Ancestry and ethnicity for Cuamatzi
Among Census respondents with the surname Cuamatzi, the largest self-reported group is Hispanic at 96.6%. The next largest groups are White (3.4%).
The bar chart below shows how Cuamatzi 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 Cuamatzi surname at the time of the 2020 Census, not any inherent property of the name itself.
- Hispanic or Latino96.6% · 112
- White3.4% · 4
Timeline
Historical Census data for Cuamatzi
Cuamatzi appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2020
#145,028
National surname rank
Recorded bearers 116
+11 bearers (+10.5%)
Per 100,000 0.04
Rank movement Up 9,879 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #154,907 | 105 | 0.04 | First available Census row | First available Census row |
| 2020 | #145,028 | 116 | 0.04 | +11 bearers (+10.5%) | Up 9,879 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 Cuamatzi 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 | #154,907 | #145,028 | 6.4% |
| Count | 105 | 116 | 10.5% |
| Per 100K | 0.04 | 0.04 | -3.0% |
Between the 2010 and 2020 Census, the number of Cuamatzi bearers went from 105 to 116 (+10.5% change). The surname moved up 9,879 positions in the national ranking, going from #154,907 to #145,028.
FAQ
Cuamatzi surname: questions and answers
How many people in the U.S. have the surname Cuamatzi?
Name Census estimates that about 133 living Americans carry the surname Cuamatzi. Using the current population baseline, that works out to roughly 1 in 2,577,100 residents.
How common is Cuamatzi?
Cuamatzi ranks #145,028 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 116 people with the surname Cuamatzi. That is different from the site's living-bearer estimate (133), 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 Cuamatzi.
Has Cuamatzi become more or less common over time?
Between 2010 and 2020, the surname Cuamatzi went from 105 recorded bearers to 116. That is an increase of 11 (+10.5%). In the national ranking it rose from #154,907 to #145,028.
What does the Census say about the background of Cuamatzi?
Among Census respondents with the surname Cuamatzi, the largest self-reported group is Hispanic at 96.6%. The next largest groups are White (3.4%). 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?
Hispanic is the largest self-reported group for the surname Cuamatzi in the 2020 Census, accounting for 96.6% (112 people in the source table).
What is the full ancestry breakdown?
Cuamatzi appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (96.6%), White (3.4%). 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 Cuamatzi (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 Cuamatzi mean?
A Hispanicized Nahuatl surname meaning "descendants of the ones who bear wood on their backs". 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 Cuamatzi (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 share the surname Cuamatzi?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.