2000
#134,037
National surname rank
Recorded bearers 116
First available Census row
Per 100,000 0.04
Very Rare Last name
Tironi
An Italian surname originating from the given name Tirone or the place name Tirone.
According to the 2020 US Census Bureau surname tables, roughly 127 Americans carry the last name Tironi. That puts it at #148,665 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,698,853 residents).
This page is the full Name Census profile for the Tironi 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
127
1 in 2,698,853
Census rank
#148,665
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
111
very rare in the US
Popularity narrative
The Census Bureau recorded 111 bearers of the surname Tironi in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 148665th position in the national surname ranking.
Among Census respondents with the surname Tironi, the largest self-reported group is White at 92.8%. The next largest groups are Hispanic (6.3%) and Two or More Races (0.9%).
Origin
Meaning and origin of Tironi
The surname Tironi is believed to have originated in Italy during the late medieval period, specifically in the region of Lombardy. It is derived from the Italian word "tiro," which means "shot" or "throw," suggesting a possible connection to archery or other activities involving projectiles.
One of the earliest recorded instances of the name Tironi can be found in the Venetian archives from the 14th century, where a merchant named Giovanni Tironi is mentioned in a trade document dated 1382. This suggests that the name was already established in northern Italy by this time.
In the 15th century, records show that a family named Tironi owned a vineyard in the town of Valtellina, located in the Alps near the Swiss border. This vineyard was renowned for producing high-quality wines, and the Tironi family became influential in the local wine trade.
During the Renaissance period, a notable figure named Girolamo Tironi (1456-1524) gained recognition as a skilled architect and engineer. He was commissioned by the Doge of Venice to design and construct several important buildings, including the iconic Rialto Bridge across the Grand Canal.
Another prominent individual with the surname Tironi was the writer and philosopher Antonio Tironi (1608-1677), who was born in Milan and authored several influential works on ethics and political theory. His most famous work, "Discorsi sulla virtù" (Discourses on Virtue), was widely read throughout Europe in the 17th century.
In the 18th century, a military officer named Carlo Tironi (1721-1798) distinguished himself in the service of the Venetian Republic. He played a crucial role in defending the city against the Napoleonic forces during the French Revolutionary Wars, earning him widespread acclaim and respect.
The name Tironi can also be traced back to the town of Tirano, located in the province of Sondrio, northern Italy. It is possible that some individuals with this surname may have originated from or been associated with this particular location.
Over the centuries, the surname Tironi has spread throughout Italy and beyond, with descendants bearing this name making their mark in various fields, including art, literature, and politics. While some variations in spelling may exist, the core meaning and origin of this name remain rooted in its Italian heritage.
Demographics
Ancestry and ethnicity for Tironi
Among Census respondents with the surname Tironi, the largest self-reported group is White at 92.8%. The next largest groups are Hispanic (6.3%) and Two or More Races (0.9%).
The bar chart below shows how Tironi 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 Tironi surname at the time of the 2020 Census, not any inherent property of the name itself.
- White92.8% · 103
- Hispanic or Latino6.3% · 7
- Two or more races0.9% · 1
Timeline
Historical Census data for Tironi
Tironi 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
-1 bearers (-0.9%)
Per 100,000 0.04
Rank movement Down 10,104 places
2020
#148,665
National surname rank
Recorded bearers 111
-4 bearers (-3.5%)
Per 100,000 0.04
Rank movement Down 4,524 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #134,037 | 116 | 0.04 | First available Census row | First available Census row |
| 2010 | #144,141 | 115 | 0.04 | -1 bearers (-0.9%) | Down 10,104 places |
| 2020 | #148,665 | 111 | 0.04 | -4 bearers (-3.5%) | Down 4,524 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 Tironi 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 | #148,665 | -3.1% |
| Count | 115 | 111 | -3.5% |
| Per 100K | 0.04 | 0.04 | -7.2% |
Between the 2010 and 2020 Census, the number of Tironi bearers went from 115 to 111 (-3.5% change). The surname moved down 4,524 positions in the national ranking, going from #144,141 to #148,665.
FAQ
Tironi surname: questions and answers
How many people in the U.S. have the surname Tironi?
Name Census estimates that about 127 living Americans carry the surname Tironi. Using the current population baseline, that works out to roughly 1 in 2,698,853 residents.
How common is Tironi?
Tironi ranks #148,665 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 111 people with the surname Tironi. That is different from the site's living-bearer estimate (127), 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 Tironi.
Has Tironi become more or less common over time?
Between 2010 and 2020, the surname Tironi went from 115 recorded bearers to 111. That is a decrease of 4 (-3.5%). In the national ranking it fell from #144,141 to #148,665.
What does the Census say about the background of Tironi?
Among Census respondents with the surname Tironi, the largest self-reported group is White at 92.8%. The next largest groups are Hispanic (6.3%) and Two or More Races (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 Tironi in the 2020 Census, accounting for 92.8% (103 people in the source table).
What is the full ancestry breakdown?
Tironi appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (92.8%), Hispanic (6.3%), Two or More Races (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 Tironi (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 Tironi mean?
An Italian surname originating from the given name Tirone or the place name Tirone. 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 Tironi (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 Tironi?
For a quick modern take, check how many Americans have the surname Tironi on our sister site HowManyOfMe.org.