2000
#62,577
National surname rank
Recorded bearers 299
First available Census row
Per 100,000 0.11
Very Rare Last name
Chiaverini
An Italian surname derived from the town of Chiavari in Liguria.
According to the 2020 US Census Bureau surname tables, roughly 328 Americans carry the last name Chiaverini. That puts it at #73,107 in the national surname ranking, appearing at a frequency of 0.10 per 100,000 people (about 1 in 1,044,983 residents).
This page is the full Name Census profile for the Chiaverini 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
328
1 in 1,044,983
Census rank
#73,107
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
286
very rare in the US
Popularity narrative
The Census Bureau recorded 286 bearers of the surname Chiaverini in its 2020 decennial surname file. At a rate of 0.10 per 100,000 residents, it holds the 73107th position in the national surname ranking.
Among Census respondents with the surname Chiaverini, the largest self-reported group is White at 92.3%. The next largest groups are Hispanic (4.5%) and Two or More Races (2.1%).
Origin
Meaning and origin of Chiaverini
The surname CHIAVERINI is of Italian origin, tracing its roots back to the late medieval period in the region of Lombardy, northern Italy. It is derived from the Italian word "chiaveri," which means "key makers" or "locksmiths," indicating that the earliest bearers of this name were likely involved in this trade.
The earliest recorded instance of the CHIAVERINI surname dates back to the 13th century, appearing in historical documents from the town of Chiavenna, located in the province of Sondrio, Lombardy. This town's name is believed to have influenced the spelling and pronunciation of the surname.
During the Renaissance period, the CHIAVERINI name gained prominence with the artistic contributions of Gian Giacomo CHIAVERINI (1515-1598), a renowned painter and architect from Milan. His works can be found in various churches and palaces throughout northern Italy, showcasing the talent of this early bearer of the CHIAVERINI name.
Another notable figure was Girolamo CHIAVERINI (1608-1677), a Jesuit priest and theologian from Bergamo, who authored several influential treatises on religious philosophy and ethics during the 17th century.
In the 18th century, the CHIAVERINI surname appeared in records associated with the University of Pavia, where Giovanni Battista CHIAVERINI (1720-1795) served as a respected professor of mathematics and astronomy.
The 19th century saw the rise of Pietro CHIAVERINI (1824-1901), a prominent Italian politician and statesman from Brescia. He played a significant role in the unification of Italy and served as a member of the Italian parliament for several terms.
As the Italian diaspora spread across the globe, the CHIAVERINI name traveled with them. For instance, in the early 20th century, Antonio CHIAVERINI (1892-1967), an Italian-American artist and sculptor, gained recognition for his works in cities like New York and San Francisco.
Throughout its history, the CHIAVERINI surname has been associated with various professions, from artisans and intellectuals to politicians and artists, reflecting the diverse contributions of its bearers to Italian culture and society.
Demographics
Ancestry and ethnicity for Chiaverini
Among Census respondents with the surname Chiaverini, the largest self-reported group is White at 92.3%. The next largest groups are Hispanic (4.5%) and Two or More Races (2.1%).
The bar chart below shows how Chiaverini 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 Chiaverini surname at the time of the 2020 Census, not any inherent property of the name itself.
- White92.3% · 264
- Hispanic or Latino4.5% · 13
- Two or more races2.1% · 6
- Black or African American0.3% · 1
- Asian and Pacific Islander0.3% · 1
- American Indian and Alaska Native0.3% · 1
Timeline
Historical Census data for Chiaverini
Chiaverini 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
#62,714
National surname rank
Recorded bearers 319
+20 bearers (+6.7%)
Per 100,000 0.11
Rank movement Down 137 places
2020
#73,107
National surname rank
Recorded bearers 286
-33 bearers (-10.3%)
Per 100,000 0.10
Rank movement Down 10,393 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #62,577 | 299 | 0.11 | First available Census row | First available Census row |
| 2010 | #62,714 | 319 | 0.11 | +20 bearers (+6.7%) | Down 137 places |
| 2020 | #73,107 | 286 | 0.10 | -33 bearers (-10.3%) | Down 10,393 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 Chiaverini 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 | #62,714 | #73,107 | -16.6% |
| Count | 319 | 286 | -10.3% |
| Per 100K | 0.11 | 0.10 | -13.0% |
Between the 2010 and 2020 Census, the number of Chiaverini bearers went from 319 to 286 (-10.3% change). The surname moved down 10,393 positions in the national ranking, going from #62,714 to #73,107.
FAQ
Chiaverini surname: questions and answers
How many people in the U.S. have the surname Chiaverini?
Name Census estimates that about 328 living Americans carry the surname Chiaverini. Using the current population baseline, that works out to roughly 1 in 1,044,983 residents.
How common is Chiaverini?
Chiaverini ranks #73,107 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.10 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 286 people with the surname Chiaverini. That is different from the site's living-bearer estimate (328), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.1 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.10 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 Chiaverini.
Has Chiaverini become more or less common over time?
Between 2010 and 2020, the surname Chiaverini went from 319 recorded bearers to 286. That is a decrease of 33 (-10.3%). In the national ranking it fell from #62,714 to #73,107.
What does the Census say about the background of Chiaverini?
Among Census respondents with the surname Chiaverini, the largest self-reported group is White at 92.3%. The next largest groups are Hispanic (4.5%) and Two or More Races (2.1%). 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?
White is the largest self-reported group for the surname Chiaverini in the 2020 Census, accounting for 92.3% (264 people in the source table).
What is the full ancestry breakdown?
Chiaverini appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (92.3%), Hispanic (4.5%), Two or More Races (2.1%). 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 Chiaverini (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 Chiaverini mean?
An Italian surname derived from the town of Chiavari in Liguria. 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 Chiaverini (0.10 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 Chiaverini?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.