2000
#83,618
National surname rank
Recorded bearers 209
First available Census row
Per 100,000 0.08
Very Rare Last name
Tirri
An Italian surname likely referring to a person from the village of Tirri.
According to the 2020 US Census Bureau surname tables, roughly 256 Americans carry the last name Tirri. That puts it at #89,231 in the national surname ranking, appearing at a frequency of 0.07 per 100,000 people (about 1 in 1,338,884 residents).
This page is the full Name Census profile for the Tirri 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
256
1 in 1,338,884
Census rank
#89,231
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
223
very rare in the US
Popularity narrative
The Census Bureau recorded 223 bearers of the surname Tirri in its 2020 decennial surname file. At a rate of 0.07 per 100,000 residents, it holds the 89231st position in the national surname ranking.
Among Census respondents with the surname Tirri, the largest self-reported group is White at 80.7%. The next largest groups are Hispanic (16.1%) and Two or More Races (2.7%).
Origin
Meaning and origin of Tirri
The surname TIRRI is of Italian origin, stemming from the region of Lombardy in northern Italy. Its origins can be traced back to the 13th century, deriving from the Italian word "tirro," which means "brown" or "tawny." This suggests that the name was initially used as a nickname or descriptive term for someone with a tanned or swarthy complexion.
One of the earliest recorded instances of the name TIRRI can be found in the Codex Diplomaticus Cavensis, a collection of medieval documents from the Cava de' Tirreni monastery in Campania, Italy. In this manuscript, dated around 1280, there is a mention of a certain "Petrus Tirri" from the town of Salerno.
In the 14th century, the TIRRI surname appears in the tax records of Florence, indicating the presence of families bearing this name in the heart of the Tuscan region. One notable individual from this period was Simone Tirri, a merchant and banker who lived between 1320 and 1398.
As the name spread across Italy, it also underwent various spelling variations, such as Tirrio, Tirrio, and Tirrius. These variations can be found in documents from different regions, reflecting the influence of local dialects on the pronunciation and spelling of the name.
In the 16th century, the TIRRI surname gained prominence in the city of Naples, where several families of noble lineage bore this name. One such family was the Tirri di Giffoni, who were landowners and held significant influence in the region. A prominent member of this family was Antonio Tirri (1560-1628), a lawyer and politician who served as a magistrate in the Kingdom of Naples.
Another notable figure was Girolamo Tirri (1585-1655), a Neapolitan painter and architect who gained recognition for his work in the Baroque style. His paintings and architectural designs can still be admired in various churches and palaces throughout Naples and its surrounding areas.
In the 18th century, the TIRRI surname was present in the Italian diaspora, with families bearing this name settling in other parts of Europe and the Americas. One such individual was Francesco Tirri (1712-1789), an Italian-born silversmith who emigrated to Spain and became renowned for his intricate metalwork and silversmithing techniques.
As the centuries passed, the TIRRI surname continued to be carried by individuals across various fields, including art, literature, and academia. One notable figure was Emanuele Tirri (1876-1954), an Italian philologist and linguist who specialized in the study of ancient languages and contributed significantly to the field of comparative linguistics.
Overall, the surname TIRRI has a rich history that spans centuries and reflects the diverse cultural influences of the Italian peninsula. From its humble beginnings as a descriptive nickname to its association with prominent families and individuals, this surname has left an indelible mark on the tapestry of Italian heritage.
Demographics
Ancestry and ethnicity for Tirri
Among Census respondents with the surname Tirri, the largest self-reported group is White at 80.7%. The next largest groups are Hispanic (16.1%) and Two or More Races (2.7%).
The bar chart below shows how Tirri 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 Tirri surname at the time of the 2020 Census, not any inherent property of the name itself.
- White80.7% · 180
- Hispanic or Latino16.1% · 36
- Two or more races2.7% · 6
- Asian and Pacific Islander0.4% · 1
Timeline
Historical Census data for Tirri
Tirri 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
#88,020
National surname rank
Recorded bearers 211
+2 bearers (+1.0%)
Per 100,000 0.07
Rank movement Down 4,402 places
2020
#89,231
National surname rank
Recorded bearers 223
+12 bearers (+5.7%)
Per 100,000 0.07
Rank movement Down 1,211 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #83,618 | 209 | 0.08 | First available Census row | First available Census row |
| 2010 | #88,020 | 211 | 0.07 | +2 bearers (+1.0%) | Down 4,402 places |
| 2020 | #89,231 | 223 | 0.07 | +12 bearers (+5.7%) | Down 1,211 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 Tirri 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 | #88,020 | #89,231 | -1.4% |
| Count | 211 | 223 | 5.7% |
| Per 100K | 0.07 | 0.07 | 6.6% |
Between the 2010 and 2020 Census, the number of Tirri bearers went from 211 to 223 (+5.7% change). The surname moved down 1,211 positions in the national ranking, going from #88,020 to #89,231.
FAQ
Tirri surname: questions and answers
How many people in the U.S. have the surname Tirri?
Name Census estimates that about 256 living Americans carry the surname Tirri. Using the current population baseline, that works out to roughly 1 in 1,338,884 residents.
How common is Tirri?
Tirri ranks #89,231 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.07 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 223 people with the surname Tirri. That is different from the site's living-bearer estimate (256), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.07 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.07 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 Tirri.
Has Tirri become more or less common over time?
Between 2010 and 2020, the surname Tirri went from 211 recorded bearers to 223. That is an increase of 12 (+5.7%). In the national ranking it fell from #88,020 to #89,231.
What does the Census say about the background of Tirri?
Among Census respondents with the surname Tirri, the largest self-reported group is White at 80.7%. The next largest groups are Hispanic (16.1%) and Two or More Races (2.7%). 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 Tirri in the 2020 Census, accounting for 80.7% (180 people in the source table).
What is the full ancestry breakdown?
Tirri appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (80.7%), Hispanic (16.1%), Two or More Races (2.7%). 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 Tirri (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 Tirri mean?
An Italian surname likely referring to a person from the village of Tirri. 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 Tirri (0.07 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 Tirri?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.