2000
#127,186
National surname rank
Recorded bearers 124
First available Census row
Per 100,000 0.05
Very Rare Last name
Trenta
A surname derived from the Italian word for "thirty", potentially indicating familial relations to the number.
According to the 2020 US Census Bureau surname tables, roughly 112 Americans carry the last name Trenta. That puts it at #156,269 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 3,060,307 residents).
This page is the full Name Census profile for the Trenta 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
112
1 in 3,060,307
Census rank
#156,269
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
98
very rare in the US
Popularity narrative
The Census Bureau recorded 98 bearers of the surname Trenta in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 156269th position in the national surname ranking.
Among Census respondents with the surname Trenta, the largest self-reported group is White at 92.9%. The next largest groups are Black (4.1%) and Asian/Pacific Islander (2.0%).
Origin
Meaning and origin of Trenta
The surname Trenta has its origins in Italy, dating back to the late medieval period. It is believed to have derived from the Italian word "trenta," which means "thirty," suggesting a possible connection to a house number, military unit, or other numerical significance.
One of the earliest recorded instances of the name Trenta can be found in the archives of the city of Venice, where a certain Giovanni Trenta was mentioned in a document from the 14th century. This document detailed a property dispute, providing valuable insight into the historical roots of the name within the region.
During the Renaissance period, the name Trenta gained further prominence, particularly in the Italian cities of Florence and Siena. Records from this era indicate that several families bearing the surname Trenta held influential positions within the local guilds and merchant associations.
One notable figure from this time was Alessio Trenta, a skilled artisan and sculptor who was commissioned to create intricate architectural details for the Duomo di Siena in the late 15th century. His work can still be admired today, a testament to the artistic legacy associated with this surname.
In the 17th century, the name Trenta appeared in the annals of the Papal States, where a certain Lucrezia Trenta was recorded as a prominent figure within the Roman Catholic Church. She was known for her charitable works and her dedication to the education of orphaned children.
As the centuries progressed, the Trenta surname spread throughout various regions of Italy, with families establishing themselves in cities such as Milan, Naples, and Palermo. One noteworthy individual from this period was Girolamo Trenta, a renowned physician who lived in Naples during the 18th century and made significant contributions to the field of medicine through his published works.
Another figure of historical importance was Stefano Trenta, a military officer who fought bravely during the Italian Unification campaigns of the 19th century. His valor and leadership on the battlefield earned him recognition and commendations from his superiors.
While the Trenta surname is most commonly associated with Italy, it has also found its way to other parts of the world through migration and diaspora. For instance, there are records of individuals bearing this surname in Argentina, where they may have settled during the large-scale Italian emigration of the late 19th and early 20th centuries.
Demographics
Ancestry and ethnicity for Trenta
Among Census respondents with the surname Trenta, the largest self-reported group is White at 92.9%. The next largest groups are Black (4.1%) and Asian/Pacific Islander (2.0%).
The bar chart below shows how Trenta 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 Trenta surname at the time of the 2020 Census, not any inherent property of the name itself.
- White92.9% · 91
- Black or African American4.1% · 4
- Asian and Pacific Islander2.0% · 2
- Two or more races1.0% · 1
Timeline
Historical Census data for Trenta
Trenta 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
#154,907
National surname rank
Recorded bearers 105
-19 bearers (-15.3%)
Per 100,000 0.04
Rank movement Down 27,721 places
2020
#156,269
National surname rank
Recorded bearers 98
-7 bearers (-6.7%)
Per 100,000 0.03
Rank movement Down 1,362 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #127,186 | 124 | 0.05 | First available Census row | First available Census row |
| 2010 | #154,907 | 105 | 0.04 | -19 bearers (-15.3%) | Down 27,721 places |
| 2020 | #156,269 | 98 | 0.03 | -7 bearers (-6.7%) | Down 1,362 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 Trenta 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 | #154,907 | #156,269 | -0.9% |
| Count | 105 | 98 | -6.7% |
| Per 100K | 0.04 | 0.03 | -18.0% |
Between the 2010 and 2020 Census, the number of Trenta bearers went from 105 to 98 (-6.7% change). The surname moved down 1,362 positions in the national ranking, going from #154,907 to #156,269.
FAQ
Trenta surname: questions and answers
How many people in the U.S. have the surname Trenta?
Name Census estimates that about 112 living Americans carry the surname Trenta. Using the current population baseline, that works out to roughly 1 in 3,060,307 residents.
How common is Trenta?
Trenta ranks #156,269 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.03 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 98 people with the surname Trenta. That is different from the site's living-bearer estimate (112), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.03 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.03 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 Trenta.
Has Trenta become more or less common over time?
Between 2010 and 2020, the surname Trenta went from 105 recorded bearers to 98. That is a decrease of 7 (-6.7%). In the national ranking it fell from #154,907 to #156,269.
What does the Census say about the background of Trenta?
Among Census respondents with the surname Trenta, the largest self-reported group is White at 92.9%. The next largest groups are Black (4.1%) and Asian/Pacific Islander (2.0%). 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 Trenta in the 2020 Census, accounting for 92.9% (91 people in the source table).
What is the full ancestry breakdown?
Trenta appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (92.9%), Black (4.1%), Asian/Pacific Islander (2.0%). 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 Trenta (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 Trenta mean?
A surname derived from the Italian word for "thirty", potentially indicating familial relations to the number. 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 Trenta (0.03 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 surname Trenta?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.