2000
#134,037
National surname rank
First available Census row
Italian surname derived from bruno meaning "brown-haired" or "swarthy complexion".
According to the 2020 US Census Bureau surname tables, roughly 132 Americans carry the last name Brunori. That puts it at #145,757 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,596,624 residents).
This page is the full Name Census profile for the Brunori 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
132
1 in 2,596,624
Census rank
#145,757
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
115
very rare in the US
Popularity narrative
The Census Bureau recorded 115 bearers of the surname Brunori in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 145757th position in the national surname ranking.
Among Census respondents with the surname Brunori, the largest self-reported group is White at 90.4%. The next largest groups are Two or More Races (3.5%) and Hispanic (2.6%).
Origin
The surname Brunori is of Italian origin, originating in the regions of Tuscany and Umbria, with historical records dating back to the 12th century. It is derived from the Italian word "bruno," which means "brown" or "dark," suggesting a potential connection to an individual's physical appearance or perhaps a place name associated with a particular geographical location.
One of the earliest recorded mentions of the Brunori surname can be found in a medieval manuscript from the city of Siena, dated around 1250. This document references a certain Iacopo Brunori, who held a prominent position within the local community. Additionally, the Brunori name appears in several historical documents from the nearby town of Perugia, indicating its presence in the region during that era.
In the 14th century, records show a notable figure named Battista Brunori (1310-1382), a skilled architect and engineer who contributed to the construction of several iconic structures in Florence, including the Basilica di Santa Croce and the Palazzo Vecchio. His legacy is celebrated for his innovative designs and his influence on the architectural landscape of the city.
During the Renaissance period, the Brunori family gained prominence in the city of Arezzo, with one of their members, Giovanni Brunori (1458-1524), becoming a respected scholar and philosopher. He was known for his contributions to the study of classical literature and his teachings at the prestigious University of Pisa.
In the 18th century, the Brunori name gained further recognition with the birth of Giuseppe Brunori (1734-1805), a renowned painter from Perugia. His works, showcasing a mastery of the Baroque style, adorned numerous churches and noble residences throughout Umbria and neighboring regions.
Another notable figure bearing the Brunori surname was Constantino Brunori (1859-1937), a prominent Italian politician and statesman from the late 19th and early 20th centuries. He served as a member of the Italian Parliament and played a influential role in shaping the country's political landscape during his tenure.
While the Brunori name has historical roots in central Italy, particularly in the regions of Tuscany and Umbria, it has since spread to other parts of the country and beyond, reflecting the migration patterns of families over the centuries. The name's longevity and endurance serve as a testament to its enduring legacy within Italian culture and history.
Demographics
Among Census respondents with the surname Brunori, the largest self-reported group is White at 90.4%. The next largest groups are Two or More Races (3.5%) and Hispanic (2.6%).
The bar chart below shows how Brunori 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 Brunori surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Brunori 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.
2000
National surname rank
First available Census row
2010
National surname rank
+15 bearers (+12.9%)
2020
National surname rank
-16 bearers (-12.2%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #134,037 | 116 | 0.04 | First available Census row | First available Census row |
| 2010 | #129,825 | 131 | 0.04 | +15 bearers (+12.9%) | Up 4,212 places |
| 2020 | #145,757 | 115 | 0.04 | -16 bearers (-12.2%) | Down 15,932 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
How has the Brunori surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #129,825 | #145,757 | -12.3% |
| Count | 131 | 115 | -12.2% |
| Per 100K | 0.04 | 0.04 | -3.8% |
Between the 2010 and 2020 Census, the number of Brunori bearers went from 131 to 115 (-12.2% change). The surname moved down 15,932 positions in the national ranking, going from #129,825 to #145,757.
FAQ
Name Census estimates that about 132 living Americans carry the surname Brunori. Using the current population baseline, that works out to roughly 1 in 2,596,624 residents.
Brunori ranks #145,757 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.
The raw 2020 Census file counted 115 people with the surname Brunori. That is different from the site's living-bearer estimate (132), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
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 Brunori.
Between 2010 and 2020, the surname Brunori went from 131 recorded bearers to 115. That is a decrease of 16 (-12.2%). In the national ranking it fell from #129,825 to #145,757.
Among Census respondents with the surname Brunori, the largest self-reported group is White at 90.4%. The next largest groups are Two or More Races (3.5%) and Hispanic (2.6%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
White is the largest self-reported group for the surname Brunori in the 2020 Census, accounting for 90.4% (104 people in the source table).
Brunori appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.4%), Two or More Races (3.5%), Hispanic (2.6%). 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.
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 Brunori (2000, 2010, 2020).
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.
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.
Italian surname derived from bruno meaning "brown-haired" or "swarthy complexion". The fuller origin note on this page goes into more detail.
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.
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 Brunori (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.
Our sister site HowManyOfMe.org answers how many Americans have the surname Brunori at a glance, with the living-bearer count up front.