2000
#71,372
National surname rank
Recorded bearers 255
First available Census row
Per 100,000 0.09
Very Rare Last name
Iannotta
A diminutive or derivative form of the Italian name "Gianni," itself derived from the personal name "Giovanni."
According to the 2020 US Census Bureau surname tables, roughly 312 Americans carry the last name Iannotta. That puts it at #76,236 in the national surname ranking, appearing at a frequency of 0.09 per 100,000 people (about 1 in 1,098,572 residents).
This page is the full Name Census profile for the Iannotta 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
312
1 in 1,098,572
Census rank
#76,236
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
272
very rare in the US
Popularity narrative
The Census Bureau recorded 272 bearers of the surname Iannotta in its 2020 decennial surname file. At a rate of 0.09 per 100,000 residents, it holds the 76236th position in the national surname ranking.
Among Census respondents with the surname Iannotta, the largest self-reported group is White at 92.3%. The next largest groups are Hispanic (4.4%) and Two or More Races (1.8%).
Origin
Meaning and origin of Iannotta
The surname Iannotta has its origins in Italy, specifically in the southern region of Campania. It is believed to have emerged during the medieval period, around the 11th or 12th century.
One theory suggests that the name Iannotta is derived from the Italian personal name "Gianni," which is a variant of the name Giovanni (John). This personal name was often combined with occupational or descriptive surnames to create a more distinctive surname. In this case, "Iannotta" could have been a diminutive or nickname form, possibly referring to a small or young person named Gianni.
Another hypothesis traces the name back to the Latin word "iannua," meaning "door" or "gate." This could indicate that the original bearer of the surname may have been a gatekeeper or lived near a prominent gate or entrance to a town or city.
The earliest recorded examples of the surname Iannotta can be found in various historical documents from the region of Campania. One notable mention is in a 14th-century manuscript from the city of Naples, which references a merchant named Pietro Iannotta.
In the 15th century, records show a noble family called Iannotta residing in the town of Aversa, near Naples. This family owned land and properties in the area, suggesting their status and influence at the time.
A prominent individual with the surname Iannotta was Girolamo Iannotta (1550-1619), a Neapolitan philosopher and theologian who taught at the University of Naples. He published several works on metaphysics and natural philosophy.
Another notable figure was Antonio Iannotta (1677-1736), an Italian architect and engineer from the town of Giugliano in Campania. He designed several churches and palaces in Naples and the surrounding region.
In the 19th century, Giuseppe Iannotta (1823-1897) was a renowned Neapolitan painter and sculptor. His works were exhibited in various art galleries and salons across Italy.
Vincenzo Iannotta (1892-1964) was a prominent Italian lawyer and politician from the province of Avellino. He served as a member of the Italian Parliament and was actively involved in the anti-fascist movement during World War II.
Overall, the surname Iannotta has a rich history rooted in the southern Italian region of Campania, with numerous notable individuals bearing this name throughout the centuries.
Demographics
Ancestry and ethnicity for Iannotta
Among Census respondents with the surname Iannotta, the largest self-reported group is White at 92.3%. The next largest groups are Hispanic (4.4%) and Two or More Races (1.8%).
The bar chart below shows how Iannotta 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 Iannotta surname at the time of the 2020 Census, not any inherent property of the name itself.
- White92.3% · 251
- Hispanic or Latino4.4% · 12
- Two or more races1.8% · 5
- Asian and Pacific Islander1.1% · 3
- Black or African American0.4% · 1
Timeline
Historical Census data for Iannotta
Iannotta 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
#71,886
National surname rank
Recorded bearers 271
+16 bearers (+6.3%)
Per 100,000 0.09
Rank movement Down 514 places
2020
#76,236
National surname rank
Recorded bearers 272
+1 bearers (+0.4%)
Per 100,000 0.09
Rank movement Down 4,350 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #71,372 | 255 | 0.09 | First available Census row | First available Census row |
| 2010 | #71,886 | 271 | 0.09 | +16 bearers (+6.3%) | Down 514 places |
| 2020 | #76,236 | 272 | 0.09 | +1 bearers (+0.4%) | Down 4,350 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 Iannotta 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 | #71,886 | #76,236 | -6.1% |
| Count | 271 | 272 | 0.4% |
| Per 100K | 0.09 | 0.09 | 1.1% |
Between the 2010 and 2020 Census, the number of Iannotta bearers went from 271 to 272 (+0.4% change). The surname moved down 4,350 positions in the national ranking, going from #71,886 to #76,236.
FAQ
Iannotta surname: questions and answers
How many people in the U.S. have the surname Iannotta?
Name Census estimates that about 312 living Americans carry the surname Iannotta. Using the current population baseline, that works out to roughly 1 in 1,098,572 residents.
How common is Iannotta?
Iannotta ranks #76,236 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.09 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 272 people with the surname Iannotta. That is different from the site's living-bearer estimate (312), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.09 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.09 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 Iannotta.
Has Iannotta become more or less common over time?
Between 2010 and 2020, the surname Iannotta went from 271 recorded bearers to 272. That is an increase of 1 (+0.4%). In the national ranking it fell from #71,886 to #76,236.
What does the Census say about the background of Iannotta?
Among Census respondents with the surname Iannotta, the largest self-reported group is White at 92.3%. The next largest groups are Hispanic (4.4%) and Two or More Races (1.8%). 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 Iannotta in the 2020 Census, accounting for 92.3% (251 people in the source table).
What is the full ancestry breakdown?
Iannotta appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (92.3%), Hispanic (4.4%), Two or More Races (1.8%). 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 Iannotta (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 Iannotta mean?
A diminutive or derivative form of the Italian name "Gianni," itself derived from the personal name "Giovanni." 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 Iannotta (0.09 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 Americans have the surname Iannotta?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.