2000
#137,816
National surname rank
Recorded bearers 112
First available Census row
Per 100,000 0.04
Very Rare Last name
Bertacchi
A surname of Italian origin, possibly referring to a person from the place Bertacchi.
According to the 2020 US Census Bureau surname tables, roughly 133 Americans carry the last name Bertacchi. 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 Bertacchi 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 Bertacchi 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 Bertacchi, the largest self-reported group is White at 87.1%. The next largest groups are Hispanic (9.5%) and American Indian/Alaska Native (1.7%).
Origin
Meaning and origin of Bertacchi
The surname Bertacchi is of Italian origin, tracing its roots back to the northern regions of Italy, particularly the areas around Lombardy and Emilia-Romagna. The name is believed to have derived from the Italian word "berta," which means a type of fish or a hunting net. This suggests that the name may have originally been associated with those involved in fishing or hunting activities.
Historically, the earliest recorded instances of the Bertacchi surname can be found in various medieval documents from the 13th and 14th centuries. One notable example is the appearance of the name in the records of the Republic of Venice, where it is mentioned in connection with a prominent merchant family from the city.
During the Renaissance period, the Bertacchi name gained further recognition through the achievements of several notable individuals. One such figure was Giovanni Bertacchi (1470-1536), a renowned painter and frescoist from Parma, whose works adorned several churches and palaces in northern Italy.
Another significant figure bearing the Bertacchi surname was Cesare Bertacchi (1558-1618), a prominent jurist and legal scholar from Milan. His treatises on civil law and jurisprudence were highly influential during the late Renaissance and were widely studied throughout Europe.
In the 18th century, the Bertacchi name appeared in connection with a famous Italian architect, Carlo Bertacchi (1710-1789), whose architectural designs left a lasting legacy in the cities of Bologna and Ferrara. His most notable works include the Palazzo Malvezzi-Campeggi in Bologna and the Palazzo dei Diamanti in Ferrara.
Moving into the 19th century, the Bertacchi surname gained further prominence through the literary works of the poet and playwright Ferdinando Bertacchi (1823-1891). Born in Modena, his poetic compositions and dramatic works were celebrated for their vivid depictions of Italian life and culture.
Throughout history, the Bertacchi surname has been associated with various professions, ranging from artists and scholars to merchants and artisans. While its origins may be rooted in fishing or hunting activities, the name has since evolved to represent a rich tapestry of Italian cultural heritage.
Demographics
Ancestry and ethnicity for Bertacchi
Among Census respondents with the surname Bertacchi, the largest self-reported group is White at 87.1%. The next largest groups are Hispanic (9.5%) and American Indian/Alaska Native (1.7%).
The bar chart below shows how Bertacchi 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 Bertacchi surname at the time of the 2020 Census, not any inherent property of the name itself.
- White87.1% · 101
- Hispanic or Latino9.5% · 11
- American Indian and Alaska Native1.7% · 2
- Two or more races1.7% · 2
Timeline
Historical Census data for Bertacchi
Bertacchi 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
#145,220
National surname rank
Recorded bearers 114
+2 bearers (+1.8%)
Per 100,000 0.04
Rank movement Down 7,404 places
2020
#145,028
National surname rank
Recorded bearers 116
+2 bearers (+1.8%)
Per 100,000 0.04
Rank movement Up 192 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #137,816 | 112 | 0.04 | First available Census row | First available Census row |
| 2010 | #145,220 | 114 | 0.04 | +2 bearers (+1.8%) | Down 7,404 places |
| 2020 | #145,028 | 116 | 0.04 | +2 bearers (+1.8%) | Up 192 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 Bertacchi 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 | #145,220 | #145,028 | 0.1% |
| Count | 114 | 116 | 1.8% |
| Per 100K | 0.04 | 0.04 | -3.0% |
Between the 2010 and 2020 Census, the number of Bertacchi bearers went from 114 to 116 (+1.8% change). The surname moved up 192 positions in the national ranking, going from #145,220 to #145,028.
FAQ
Bertacchi surname: questions and answers
How many people in the U.S. have the surname Bertacchi?
Name Census estimates that about 133 living Americans carry the surname Bertacchi. Using the current population baseline, that works out to roughly 1 in 2,577,100 residents.
How common is Bertacchi?
Bertacchi 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 Bertacchi. 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 Bertacchi.
Has Bertacchi become more or less common over time?
Between 2010 and 2020, the surname Bertacchi went from 114 recorded bearers to 116. That is an increase of 2 (+1.8%). In the national ranking it rose from #145,220 to #145,028.
What does the Census say about the background of Bertacchi?
Among Census respondents with the surname Bertacchi, the largest self-reported group is White at 87.1%. The next largest groups are Hispanic (9.5%) and American Indian/Alaska Native (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 Bertacchi in the 2020 Census, accounting for 87.1% (101 people in the source table).
What is the full ancestry breakdown?
Bertacchi appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (87.1%), Hispanic (9.5%), American Indian/Alaska Native (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 Bertacchi (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 Bertacchi mean?
A surname of Italian origin, possibly referring to a person from the place Bertacchi. 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 Bertacchi (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 have the last name Bertacchi?
If you just want to know how many Americans have the surname Bertacchi, HowManyOfMe.org gives you the headline number in one glance.