2000
#107,565
National surname rank
Recorded bearers 153
First available Census row
Per 100,000 0.06
Very Rare Last name
Mansolillo
An Italian surname possibly derived from the Latin word "mansi" meaning estate or manor.
According to the 2020 US Census Bureau surname tables, roughly 139 Americans carry the last name Mansolillo. That puts it at #141,309 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,465,859 residents).
This page is the full Name Census profile for the Mansolillo 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
139
1 in 2,465,859
Census rank
#141,309
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
121
very rare in the US
Popularity narrative
The Census Bureau recorded 121 bearers of the surname Mansolillo in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 141309th position in the national surname ranking.
Among Census respondents with the surname Mansolillo, the largest self-reported group is White at 94.2%. The next largest groups are Hispanic (5.8%).
Origin
Meaning and origin of Mansolillo
The surname Mansolillo is of Italian origin, tracing its roots back to the region of Campania in southern Italy. It is believed to have emerged sometime in the 13th or 14th century, possibly derived from a combination of the Italian words "manso," meaning gentle or tame, and "illo," a diminutive suffix.
One of the earliest known references to the name can be found in a municipal record from the town of Nola, near Naples, dated 1328, where a certain Giovanni Mansolillo is mentioned as a landowner. This suggests that the family may have been part of the local nobility or gentry at the time.
In the 15th century, a branch of the Mansolillo family is recorded as having settled in the nearby town of Ottaviano, where they were involved in the production of wine and olive oil. Some of the earliest known bearers of the name from this period include Antonio Mansolillo (c. 1440-1512) and his son, Tommaso Mansolillo (c. 1470-1538), both of whom were prominent merchants and landowners.
By the 16th century, the Mansolillo name had spread to other parts of Italy, including the city of Naples itself. One notable figure from this era was Gian Battista Mansolillo (1535-1603), a renowned jurist and legal scholar who served as a judge in the Royal Court of Naples.
In the 17th century, a Mansolillo family from the town of Caserta was granted a coat of arms by the Spanish Crown, which ruled over the Kingdom of Naples at the time. This suggests that the family had attained a certain level of prestige and social standing.
Another noteworthy individual bearing the Mansolillo name was Francesco Antonio Mansolillo (1680-1748), a celebrated architect who designed several churches and palaces in and around Naples, including the Church of Santa Maria delle Grazie alle Pigne.
As the centuries passed, the Mansolillo name continued to be associated with various professions and areas of expertise. For instance, in the late 19th century, there was a prominent Neapolitan composer and conductor named Vincenzo Mansolillo (1835-1905), whose works were performed throughout Italy and beyond.
Overall, the surname Mansolillo has a rich and diverse history, spanning several centuries and encompassing individuals from various walks of life, all tracing their roots back to the picturesque region of Campania in southern Italy.
Demographics
Ancestry and ethnicity for Mansolillo
Among Census respondents with the surname Mansolillo, the largest self-reported group is White at 94.2%. The next largest groups are Hispanic (5.8%).
The bar chart below shows how Mansolillo 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 Mansolillo surname at the time of the 2020 Census, not any inherent property of the name itself.
- White94.2% · 114
- Hispanic or Latino5.8% · 7
Timeline
Historical Census data for Mansolillo
Mansolillo 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
#137,327
National surname rank
Recorded bearers 122
-31 bearers (-20.3%)
Per 100,000 0.04
Rank movement Down 29,762 places
2020
#141,309
National surname rank
Recorded bearers 121
-1 bearers (-0.8%)
Per 100,000 0.04
Rank movement Down 3,982 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #107,565 | 153 | 0.06 | First available Census row | First available Census row |
| 2010 | #137,327 | 122 | 0.04 | -31 bearers (-20.3%) | Down 29,762 places |
| 2020 | #141,309 | 121 | 0.04 | -1 bearers (-0.8%) | Down 3,982 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 Mansolillo 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 | #137,327 | #141,309 | -2.9% |
| Count | 122 | 121 | -0.8% |
| Per 100K | 0.04 | 0.04 | 1.2% |
Between the 2010 and 2020 Census, the number of Mansolillo bearers went from 122 to 121 (-0.8% change). The surname moved down 3,982 positions in the national ranking, going from #137,327 to #141,309.
FAQ
Mansolillo surname: questions and answers
How many people in the U.S. have the surname Mansolillo?
Name Census estimates that about 139 living Americans carry the surname Mansolillo. Using the current population baseline, that works out to roughly 1 in 2,465,859 residents.
How common is Mansolillo?
Mansolillo ranks #141,309 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 121 people with the surname Mansolillo. That is different from the site's living-bearer estimate (139), 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 Mansolillo.
Has Mansolillo become more or less common over time?
Between 2010 and 2020, the surname Mansolillo went from 122 recorded bearers to 121. That is a decrease of 1 (-0.8%). In the national ranking it fell from #137,327 to #141,309.
What does the Census say about the background of Mansolillo?
Among Census respondents with the surname Mansolillo, the largest self-reported group is White at 94.2%. The next largest groups are Hispanic (5.8%). 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 Mansolillo in the 2020 Census, accounting for 94.2% (114 people in the source table).
What is the full ancestry breakdown?
Mansolillo appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.2%), Hispanic (5.8%). 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 Mansolillo (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 Mansolillo mean?
An Italian surname possibly derived from the Latin word "mansi" meaning estate or manor. 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 Mansolillo (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 Americans have the surname Mansolillo?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.