2000
#127,186
National surname rank
Recorded bearers 124
First available Census row
Per 100,000 0.05
Very Rare Last name
Bertetto
An Italian surname originating from "Bertetto", a diminutive form of the given name Berto.
According to the 2020 US Census Bureau surname tables, roughly 135 Americans carry the last name Bertetto. That puts it at #143,511 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,538,921 residents).
This page is the full Name Census profile for the Bertetto 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
135
1 in 2,538,921
Census rank
#143,511
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
118
very rare in the US
Popularity narrative
The Census Bureau recorded 118 bearers of the surname Bertetto in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 143511th position in the national surname ranking.
Among Census respondents with the surname Bertetto, the largest self-reported group is White at 94.1%. The next largest groups are Two or More Races (2.5%) and Black (1.7%).
Origin
Meaning and origin of Bertetto
The surname Bertetto originated in Northern Italy, specifically in the Piedmont region, during the Middle Ages. It is believed to have derived from the Italian word "berto," meaning "bright" or "shining," and the diminutive suffix "-etto," indicating a smaller or younger version of the original word. This combination suggests that the name may have initially been used as a nickname or a descriptive term for someone with a bright or radiant appearance.
One of the earliest recorded mentions of the Bertetto surname can be found in a document from the 14th century, which refers to a certain Guglielmo Bertetto, a landowner in the town of Asti. This document provides evidence of the surname's existence during this period and its connection to the local area.
In the late 15th century, historical records indicate the presence of a family named Bertetto in the town of Bra, located in the province of Cuneo. This family was known for their involvement in the local wine trade and owned several vineyards in the surrounding area. One notable member was Giovanni Bertetto (1467-1532), who was a respected wine merchant and served as a member of the town council.
During the 16th century, the Bertetto surname also appeared in the city of Turin, where a branch of the family had settled. One of the most prominent individuals from this era was Francesco Bertetto (1521-1592), a skilled architect who contributed to the design and construction of several churches and public buildings in Turin.
In the 18th century, a document from the archives of the Savoy dynasty mentions a certain Giovanna Bertetto (1702-1778), who served as a lady-in-waiting to Princess Maria Gabriella of Savoy. This reference highlights the presence of the Bertetto surname among the nobility of the time.
Another notable figure was Carlo Bertetto (1823-1892), a 19th-century Italian painter known for his landscapes and genre scenes depicting rural life in Piedmont. His works are currently held in several museums and private collections across Italy.
Throughout its history, the Bertetto surname has maintained a strong presence in the Piedmont region of Northern Italy, although it has also spread to other parts of the country and beyond due to migration patterns. While the name may have evolved in spelling or pronunciation over time, its origins can be traced back to the Middle Ages and its connection to the Italian word "berto" and the diminutive suffix "-etto."
Demographics
Ancestry and ethnicity for Bertetto
Among Census respondents with the surname Bertetto, the largest self-reported group is White at 94.1%. The next largest groups are Two or More Races (2.5%) and Black (1.7%).
The bar chart below shows how Bertetto 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 Bertetto surname at the time of the 2020 Census, not any inherent property of the name itself.
- White94.1% · 111
- Two or more races2.5% · 3
- Black or African American1.7% · 2
- Hispanic or Latino1.7% · 2
Timeline
Historical Census data for Bertetto
Bertetto 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
#125,282
National surname rank
Recorded bearers 137
+13 bearers (+10.5%)
Per 100,000 0.05
Rank movement Up 1,904 places
2020
#143,511
National surname rank
Recorded bearers 118
-19 bearers (-13.9%)
Per 100,000 0.04
Rank movement Down 18,229 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #127,186 | 124 | 0.05 | First available Census row | First available Census row |
| 2010 | #125,282 | 137 | 0.05 | +13 bearers (+10.5%) | Up 1,904 places |
| 2020 | #143,511 | 118 | 0.04 | -19 bearers (-13.9%) | Down 18,229 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 Bertetto 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 | #125,282 | #143,511 | -14.6% |
| Count | 137 | 118 | -13.9% |
| Per 100K | 0.05 | 0.04 | -21.0% |
Between the 2010 and 2020 Census, the number of Bertetto bearers went from 137 to 118 (-13.9% change). The surname moved down 18,229 positions in the national ranking, going from #125,282 to #143,511.
FAQ
Bertetto surname: questions and answers
How many people in the U.S. have the surname Bertetto?
Name Census estimates that about 135 living Americans carry the surname Bertetto. Using the current population baseline, that works out to roughly 1 in 2,538,921 residents.
How common is Bertetto?
Bertetto ranks #143,511 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 118 people with the surname Bertetto. That is different from the site's living-bearer estimate (135), 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 Bertetto.
Has Bertetto become more or less common over time?
Between 2010 and 2020, the surname Bertetto went from 137 recorded bearers to 118. That is a decrease of 19 (-13.9%). In the national ranking it fell from #125,282 to #143,511.
What does the Census say about the background of Bertetto?
Among Census respondents with the surname Bertetto, the largest self-reported group is White at 94.1%. The next largest groups are Two or More Races (2.5%) and Black (1.7%). 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 Bertetto in the 2020 Census, accounting for 94.1% (111 people in the source table).
What is the full ancestry breakdown?
Bertetto appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.1%), Two or More Races (2.5%), Black (1.7%). 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 Bertetto (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 Bertetto mean?
An Italian surname originating from "Bertetto", a diminutive form of the given name Berto. 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 Bertetto (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 common is the surname Bertetto?
For a quick modern take, check how many people have the surname Bertetto on our sister site HowManyOfMe.org.