2000
#128,797
National surname rank
Recorded bearers 122
First available Census row
Per 100,000 0.05
Very Rare Last name
Buzzerio
An Italian occupational surname possibly referring to one who made buzzers or related devices.
According to the 2020 US Census Bureau surname tables, roughly 124 Americans carry the last name Buzzerio. That puts it at #150,935 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,764,148 residents).
This page is the full Name Census profile for the Buzzerio 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
124
1 in 2,764,148
Census rank
#150,935
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
108
very rare in the US
Popularity narrative
The Census Bureau recorded 108 bearers of the surname Buzzerio in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150935th position in the national surname ranking.
Among Census respondents with the surname Buzzerio, the largest self-reported group is White at 94.4%. The next largest groups are Hispanic (3.7%) and Black (0.9%).
Origin
Meaning and origin of Buzzerio
The surname Buzzerio is of Italian origin, with its roots traced back to the 14th century. It is believed to have originated in the northern regions of Italy, particularly in the areas surrounding the cities of Milan and Turin. The name is likely derived from the Italian word "buzzare," which means "to knock" or "to strike," suggesting a potential connection to an occupation or trade involving metalworking or construction.
One of the earliest recorded instances of the name Buzzerio can be found in the municipal records of the city of Milan, dated around 1385. The document mentions a certain "Giovanni Buzzerio," who was a blacksmith by trade. This suggests that the name may have initially been associated with those involved in metalworking professions.
In the 15th century, the Buzzerio family gained prominence in the town of Vigevano, located in the province of Pavia. Historical records from that time mention a prominent merchant named "Marco Buzzerio" (1423-1487), who played a significant role in the local trade and economy.
The name Buzzerio has also been linked to several notable individuals throughout history. One such figure was "Girolamo Buzzerio" (1568-1634), a renowned Italian jurist and legal scholar who served as a judge in the city of Milan. His works on civil law and legal procedures were widely influential during the Renaissance period.
Another notable individual was "Maria Buzzerio" (1701-1778), a celebrated opera singer from Venice. She performed in various opera houses across Italy and gained a reputation for her exceptional vocal abilities and stage presence.
In the 19th century, the name Buzzerio was associated with a family of architects and builders from the town of Biella, in the Piedmont region of Italy. "Giuseppe Buzzerio" (1823-1899) and his sons, "Carlo" (1854-1932) and "Emilio" (1856-1924), were responsible for designing and constructing several notable buildings and structures in the area, including churches, public squares, and residential buildings.
While the surname Buzzerio is not among the most common in Italy today, it continues to be found in various regions, particularly in the northern parts of the country. Its historical origins and associations with trades, professions, and notable individuals provide insights into the rich cultural heritage of Italy and the significance of surnames in preserving family histories.
Demographics
Ancestry and ethnicity for Buzzerio
Among Census respondents with the surname Buzzerio, the largest self-reported group is White at 94.4%. The next largest groups are Hispanic (3.7%) and Black (0.9%).
The bar chart below shows how Buzzerio 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 Buzzerio surname at the time of the 2020 Census, not any inherent property of the name itself.
- White94.4% · 102
- Hispanic or Latino3.7% · 4
- Black or African American0.9% · 1
- Two or more races0.9% · 1
Timeline
Historical Census data for Buzzerio
Buzzerio 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
#144,141
National surname rank
Recorded bearers 115
-7 bearers (-5.7%)
Per 100,000 0.04
Rank movement Down 15,344 places
2020
#150,935
National surname rank
Recorded bearers 108
-7 bearers (-6.1%)
Per 100,000 0.04
Rank movement Down 6,794 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #128,797 | 122 | 0.05 | First available Census row | First available Census row |
| 2010 | #144,141 | 115 | 0.04 | -7 bearers (-5.7%) | Down 15,344 places |
| 2020 | #150,935 | 108 | 0.04 | -7 bearers (-6.1%) | Down 6,794 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 Buzzerio 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 | #144,141 | #150,935 | -4.7% |
| Count | 115 | 108 | -6.1% |
| Per 100K | 0.04 | 0.04 | -9.7% |
Between the 2010 and 2020 Census, the number of Buzzerio bearers went from 115 to 108 (-6.1% change). The surname moved down 6,794 positions in the national ranking, going from #144,141 to #150,935.
FAQ
Buzzerio surname: questions and answers
How many people in the U.S. have the surname Buzzerio?
Name Census estimates that about 124 living Americans carry the surname Buzzerio. Using the current population baseline, that works out to roughly 1 in 2,764,148 residents.
How common is Buzzerio?
Buzzerio ranks #150,935 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 108 people with the surname Buzzerio. That is different from the site's living-bearer estimate (124), 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 Buzzerio.
Has Buzzerio become more or less common over time?
Between 2010 and 2020, the surname Buzzerio went from 115 recorded bearers to 108. That is a decrease of 7 (-6.1%). In the national ranking it fell from #144,141 to #150,935.
What does the Census say about the background of Buzzerio?
Among Census respondents with the surname Buzzerio, the largest self-reported group is White at 94.4%. The next largest groups are Hispanic (3.7%) and Black (0.9%). 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 Buzzerio in the 2020 Census, accounting for 94.4% (102 people in the source table).
What is the full ancestry breakdown?
Buzzerio appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.4%), Hispanic (3.7%), Black (0.9%). 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 Buzzerio (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 Buzzerio mean?
An Italian occupational surname possibly referring to one who made buzzers or related devices. 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 Buzzerio (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 Buzzerio?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.