2000
#123,314
National surname rank
Recorded bearers 129
First available Census row
Per 100,000 0.05
Very Rare Last name
Iarrobino
An Italian surname potentially derived from a place name.
According to the 2020 US Census Bureau surname tables, roughly 127 Americans carry the last name Iarrobino. 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 Iarrobino 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 Iarrobino 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 Iarrobino, the largest self-reported group is White at 97.3%. The next largest groups are Hispanic (0.9%) and Asian/Pacific Islander (0.9%).
Origin
Meaning and origin of Iarrobino
The surname Iarrobino has its origins in Italy, tracing back to the late Middle Ages or Renaissance period. It is believed to be derived from the Italian word "iarro," which refers to a type of spade or hoe used for agricultural purposes. This suggests that the name may have originally been associated with farmers, peasants, or those involved in agricultural work.
One of the earliest recorded instances of the name Iarrobino can be found in historical records from the region of Campania, particularly in the city of Naples and its surrounding areas. The name appears to have been more prevalent in this region, although variations of the spelling, such as Iarrobino or Iarrabino, can also be found in other parts of southern Italy.
While there are no definitive records of the name appearing in significant historical documents like the Domesday Book, some local parish records and municipal archives from the 16th and 17th centuries in Naples and the surrounding regions mention individuals with the surname Iarrobino or similar spellings.
Among the notable individuals with this surname throughout history, one can mention Vincenzo Iarrobino, a respected scholar and philosopher from Naples who lived in the late 16th century. His writings on ethics and moral philosophy were influential during his time. Another prominent figure was Giulio Iarrobino, a Renaissance-era artist from the town of Salerno, known for his intricate frescoes adorning several churches in the region.
In the 18th century, Pietro Iarrobino, a merchant and landowner from the town of Avellino, played a role in the local community and was known for his philanthropic efforts. Around the same period, Tommaso Iarrobino, a skilled architect from Naples, contributed to the design and construction of several notable buildings in the city.
During the 19th century, Giovanni Iarrobino, a lawyer and political activist from the city of Benevento, gained recognition for his involvement in the Risorgimento movement, which sought to unify the various states of the Italian peninsula into a single nation.
While these examples provide a glimpse into the historical presence of the surname Iarrobino, it is important to note that the name's origins and evolution are deeply rooted in the cultural and linguistic traditions of southern Italy, particularly in the regions of Campania and its surrounding areas.
Demographics
Ancestry and ethnicity for Iarrobino
Among Census respondents with the surname Iarrobino, the largest self-reported group is White at 97.3%. The next largest groups are Hispanic (0.9%) and Asian/Pacific Islander (0.9%).
The bar chart below shows how Iarrobino 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 Iarrobino surname at the time of the 2020 Census, not any inherent property of the name itself.
- White97.3% · 108
- Hispanic or Latino0.9% · 1
- Asian and Pacific Islander0.9% · 1
- Two or more races0.9% · 1
Timeline
Historical Census data for Iarrobino
Iarrobino 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
#129,047
National surname rank
Recorded bearers 132
+3 bearers (+2.3%)
Per 100,000 0.04
Rank movement Down 5,733 places
2020
#148,665
National surname rank
Recorded bearers 111
-21 bearers (-15.9%)
Per 100,000 0.04
Rank movement Down 19,618 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #123,314 | 129 | 0.05 | First available Census row | First available Census row |
| 2010 | #129,047 | 132 | 0.04 | +3 bearers (+2.3%) | Down 5,733 places |
| 2020 | #148,665 | 111 | 0.04 | -21 bearers (-15.9%) | Down 19,618 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 Iarrobino 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 | #129,047 | #148,665 | -15.2% |
| Count | 132 | 111 | -15.9% |
| Per 100K | 0.04 | 0.04 | -7.2% |
Between the 2010 and 2020 Census, the number of Iarrobino bearers went from 132 to 111 (-15.9% change). The surname moved down 19,618 positions in the national ranking, going from #129,047 to #148,665.
FAQ
Iarrobino surname: questions and answers
How many people in the U.S. have the surname Iarrobino?
Name Census estimates that about 127 living Americans carry the surname Iarrobino. Using the current population baseline, that works out to roughly 1 in 2,698,853 residents.
How common is Iarrobino?
Iarrobino 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 Iarrobino. 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 Iarrobino.
Has Iarrobino become more or less common over time?
Between 2010 and 2020, the surname Iarrobino went from 132 recorded bearers to 111. That is a decrease of 21 (-15.9%). In the national ranking it fell from #129,047 to #148,665.
What does the Census say about the background of Iarrobino?
Among Census respondents with the surname Iarrobino, the largest self-reported group is White at 97.3%. The next largest groups are Hispanic (0.9%) and Asian/Pacific Islander (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 Iarrobino in the 2020 Census, accounting for 97.3% (108 people in the source table).
What is the full ancestry breakdown?
Iarrobino appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (97.3%), Hispanic (0.9%), Asian/Pacific Islander (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 Iarrobino (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 Iarrobino mean?
An Italian surname potentially derived from a place name. 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 Iarrobino (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 common is the surname Iarrobino?
For a quick modern take, check how many people are called Iarrobino on our sister site HowManyOfMe.org.