2010
#152,628
National surname rank
Recorded bearers 107
First available Census row
Per 100,000 0.04
Very Rare Last name
Zenni
A surname of Italian origin meaning "wise" or "judicious".
According to the 2020 US Census Bureau surname tables, roughly 126 Americans carry the last name Zenni. That puts it at #149,446 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,720,273 residents).
This page is the full Name Census profile for the Zenni 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
126
1 in 2,720,273
Census rank
#149,446
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
110
very rare in the US
Popularity narrative
The Census Bureau recorded 110 bearers of the surname Zenni in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 149446th position in the national surname ranking.
Among Census respondents with the surname Zenni, the largest self-reported group is White at 84.5%. The next largest groups are Hispanic (6.4%) and Two or More Races (6.4%).
Origin
Meaning and origin of Zenni
The surname Zenni finds its origin in Italy, specifically in the northern regions such as Lombardy and Veneto. It is most prevalent in the areas surrounding the cities of Venice and Milan, regions known for their dense historical, cultural, and economic activities during the Middle Ages and Renaissance periods. The name Zenni seems to derive from a diminutive or variant of the given name Zeno, which itself has Greek origins, meaning "gift of Zeus."
The etymology of Zenni can be traced back to medieval times, where surnames often originated from given names, occupations, nicknames, or places of residence. Zeno was a relatively common given name in antiquity, especially following the popularity of Saint Zeno, a 4th-century Bishop of Verona, whose veneration could have influenced the adoption of the name.
Historical references to the surname Zenni are sporadic but notable, popping up in various Italian records such as parish registers, land transactions, and civic documents. The name appears in the archives of Venice and Milan during the Renaissance. This period, rich in records thanks to the meticulous documentation practices of Italian city-states, provides the earliest recorded instances of the name.
One of the earliest notable individuals bearing the surname Zenni is Giovanni Zenni, a merchant from Venice in the late 15th century. He was born around 1475 and was involved in the burgeoning trade between Venice and the Middle East. His activities are documented in the commercial records of the Venetian state, reflecting his significant role in the city’s mercantile economy.
Another significant historical figure is Antonio Zenni, a soldier in the early 17th century. Antonio's name appears in the military rosters of the Republic of Venice, which were detailed due to the constant wars the state engaged in during that era. Born circa 1602, he fought in various conflicts, including the lengthy War of Candia.
Matteo Zenni, an 18th-century church official, is another noteworthy individual. Born in 1728, Matteo became a canon in the Cathedral of Milan, with his ecclesiastical career documented in numerous church records. His work influenced the local religious landscape, and several of his correspondences with higher authorities have been preserved in church archives.
In the realm of arts, Francesco Zenni, a composer and violinist from the 19th century, made significant contributions to Italian classical music. Born in 1807, Francesco's works were performed in various Italian theaters, and some of his compositions are still studied today for their musical complexity and historical value.
In the 20th century, Maria Zenni, born in 1884, emerged as a prominent educator and writer. She published several educational texts and was an advocate for women's education in Italy. Her works contributed to the pedagogical discourse of her time, emphasizing the importance of comprehensive education for both genders.
The surname Zenni thus reflects a rich tapestry of Italian history, woven with threads of commerce, military service, religious devotion, artistic pursuit, and educational advancement. Each record of the name contributes to our understanding of the cultural and societal developments in Italy from the medieval period to the modern era.
Demographics
Ancestry and ethnicity for Zenni
Among Census respondents with the surname Zenni, the largest self-reported group is White at 84.5%. The next largest groups are Hispanic (6.4%) and Two or More Races (6.4%).
The bar chart below shows how Zenni 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 Zenni surname at the time of the 2020 Census, not any inherent property of the name itself.
- White84.5% · 93
- Hispanic or Latino6.4% · 7
- Two or more races6.4% · 7
- Black or African American1.8% · 2
- Asian and Pacific Islander0.9% · 1
Timeline
Historical Census data for Zenni
Zenni appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2020
#149,446
National surname rank
Recorded bearers 110
+3 bearers (+2.8%)
Per 100,000 0.04
Rank movement Up 3,182 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #152,628 | 107 | 0.04 | First available Census row | First available Census row |
| 2020 | #149,446 | 110 | 0.04 | +3 bearers (+2.8%) | Up 3,182 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 Zenni 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 | #152,628 | #149,446 | 2.1% |
| Count | 107 | 110 | 2.8% |
| Per 100K | 0.04 | 0.04 | -8.0% |
Between the 2010 and 2020 Census, the number of Zenni bearers went from 107 to 110 (+2.8% change). The surname moved up 3,182 positions in the national ranking, going from #152,628 to #149,446.
FAQ
Zenni surname: questions and answers
How many people in the U.S. have the surname Zenni?
Name Census estimates that about 126 living Americans carry the surname Zenni. Using the current population baseline, that works out to roughly 1 in 2,720,273 residents.
How common is Zenni?
Zenni ranks #149,446 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 110 people with the surname Zenni. That is different from the site's living-bearer estimate (126), 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 Zenni.
Has Zenni become more or less common over time?
Between 2010 and 2020, the surname Zenni went from 107 recorded bearers to 110. That is an increase of 3 (+2.8%). In the national ranking it rose from #152,628 to #149,446.
What does the Census say about the background of Zenni?
Among Census respondents with the surname Zenni, the largest self-reported group is White at 84.5%. The next largest groups are Hispanic (6.4%) and Two or More Races (6.4%). 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 Zenni in the 2020 Census, accounting for 84.5% (93 people in the source table).
What is the full ancestry breakdown?
Zenni appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (84.5%), Hispanic (6.4%), Two or More Races (6.4%). 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 Zenni (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 Zenni mean?
A surname of Italian origin meaning "wise" or "judicious". 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 Zenni (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 Zenni?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.