2000
#142,819
National surname rank
Recorded bearers 107
First available Census row
Per 100,000 0.04
Very Rare Last name
Camaioni
Italian surname meaning "chameleon" or "color-changer."
According to the 2020 US Census Bureau surname tables, roughly 127 Americans carry the last name Camaioni. That puts it at #148,665 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,698,853 residents).
This page is the full Name Census profile for the Camaioni 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
127
1 in 2,698,853
Census rank
#148,665
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
111
very rare in the US
Popularity narrative
The Census Bureau recorded 111 bearers of the surname Camaioni in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 148665th position in the national surname ranking.
Among Census respondents with the surname Camaioni, the largest self-reported group is White at 86.5%. The next largest groups are Hispanic (10.8%) and Two or More Races (1.8%).
Origin
Meaning and origin of Camaioni
The surname Camaioni has its origins in Italy, tracing back to the late medieval period. It is believed to have originated from the Italian word "camaione," which referred to a kind of precious stone or gemstone. This suggests that the name may have been given to someone who worked with or traded in such gemstones.
One of the earliest recorded instances of the name dates back to the 13th century in the city of Florence, where a certain Guido Camaioni was mentioned in a legal document from 1275. This indicates that the name was already established in the region at that time.
In the 14th century, the Camaioni family became prominent in the city of Siena, where they were involved in the textile trade and held positions of influence within the local government. A notable figure from this period was Agostino Camaioni, who served as a magistrate and ambassador for the Republic of Siena in the late 1300s.
During the Renaissance, the Camaioni name appears in various records and documents from across Italy. In the 15th century, a painter named Jacopo Camaioni was active in the city of Urbino, renowned for his frescoes in the Palazzo Ducale.
In the 16th century, the Camaioni family had branches in several Italian cities, including Rome and Naples. One member, Girolamo Camaioni (1511-1587), was a renowned architect who designed several churches and palaces in Rome.
Another notable figure was Giovan Battista Camaioni (1537-1611), a scholar and theologian from Bologna who wrote extensively on religious topics and served as a professor at the University of Bologna.
As the centuries progressed, the Camaioni name continued to be found across various regions of Italy, with individuals from the family achieving success in various fields, such as law, medicine, and the arts.
In the 19th century, a certain Giuseppe Camaioni (1808-1880) was a prominent figure in the Italian Risorgimento movement, fighting for the unification of Italy under the House of Savoy.
Throughout history, the Camaioni name has been spelled in various ways, including Camaione, Camajone, and Camayon, reflecting the regional variations and linguistic changes over time.
Demographics
Ancestry and ethnicity for Camaioni
Among Census respondents with the surname Camaioni, the largest self-reported group is White at 86.5%. The next largest groups are Hispanic (10.8%) and Two or More Races (1.8%).
The bar chart below shows how Camaioni 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 Camaioni surname at the time of the 2020 Census, not any inherent property of the name itself.
- White86.5% · 96
- Hispanic or Latino10.8% · 12
- Two or more races1.8% · 2
- Asian and Pacific Islander0.9% · 1
Timeline
Historical Census data for Camaioni
Camaioni 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
#139,228
National surname rank
Recorded bearers 120
+13 bearers (+12.1%)
Per 100,000 0.04
Rank movement Up 3,591 places
2020
#148,665
National surname rank
Recorded bearers 111
-9 bearers (-7.5%)
Per 100,000 0.04
Rank movement Down 9,437 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #142,819 | 107 | 0.04 | First available Census row | First available Census row |
| 2010 | #139,228 | 120 | 0.04 | +13 bearers (+12.1%) | Up 3,591 places |
| 2020 | #148,665 | 111 | 0.04 | -9 bearers (-7.5%) | Down 9,437 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 Camaioni 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 | #139,228 | #148,665 | -6.8% |
| Count | 120 | 111 | -7.5% |
| Per 100K | 0.04 | 0.04 | -7.2% |
Between the 2010 and 2020 Census, the number of Camaioni bearers went from 120 to 111 (-7.5% change). The surname moved down 9,437 positions in the national ranking, going from #139,228 to #148,665.
FAQ
Camaioni surname: questions and answers
How many people in the U.S. have the surname Camaioni?
Name Census estimates that about 127 living Americans carry the surname Camaioni. Using the current population baseline, that works out to roughly 1 in 2,698,853 residents.
How common is Camaioni?
Camaioni ranks #148,665 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 111 people with the surname Camaioni. That is different from the site's living-bearer estimate (127), 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 Camaioni.
Has Camaioni become more or less common over time?
Between 2010 and 2020, the surname Camaioni went from 120 recorded bearers to 111. That is a decrease of 9 (-7.5%). In the national ranking it fell from #139,228 to #148,665.
What does the Census say about the background of Camaioni?
Among Census respondents with the surname Camaioni, the largest self-reported group is White at 86.5%. The next largest groups are Hispanic (10.8%) and Two or More Races (1.8%). 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?
White is the largest self-reported group for the surname Camaioni in the 2020 Census, accounting for 86.5% (96 people in the source table).
What is the full ancestry breakdown?
Camaioni appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (86.5%), Hispanic (10.8%), Two or More Races (1.8%). 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 Camaioni (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 Camaioni mean?
Italian surname meaning "chameleon" or "color-changer." 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 Camaioni (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 are called Camaioni?
For a quick modern take, check how many people are called Camaioni on our sister site HowManyOfMe.org.