2000
#140,756
National surname rank
Recorded bearers 109
First available Census row
Per 100,000 0.04
Very Rare Last name
Signoriello
An Italian surname derived from "signore" meaning lord or nobleman.
According to the 2020 US Census Bureau surname tables, roughly 122 Americans carry the last name Signoriello. That puts it at #152,339 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,809,462 residents).
This page is the full Name Census profile for the Signoriello 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
122
1 in 2,809,462
Census rank
#152,339
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
106
very rare in the US
Popularity narrative
The Census Bureau recorded 106 bearers of the surname Signoriello in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 152339th position in the national surname ranking.
Among Census respondents with the surname Signoriello, the largest self-reported group is White at 84.9%. The next largest groups are Hispanic (10.4%) and Black (2.8%).
Origin
Meaning and origin of Signoriello
The surname Signoriello originated in Italy, specifically in the regions of Campania and Lazio, during the Middle Ages. It is derived from the Italian word "signore," which means "lord" or "master," and the diminutive suffix "-iello," indicating a smaller or lesser version of the root word.
This surname can be traced back to the 13th century, when it was used to refer to individuals who held positions of authority or were associated with noble families. In some cases, it may have been given to servants or workers employed by these noble households.
One of the earliest recorded instances of the surname Signoriello can be found in the Codice Diplomatico Barese, a collection of documents from the city of Bari, dating back to the 11th century. In this collection, there are references to individuals with the surname Signoriello, indicating their presence in the region during that time.
In the 14th century, the name Signoriello appears in the Catasto Onciario, a tax record from the Kingdom of Naples. This document lists several individuals with this surname, providing insight into their occupations and financial status at the time.
Historically, the surname Signoriello has been associated with several notable individuals. One such person was Girolamo Signoriello, a 16th-century Italian painter and architect from Naples, who was active between 1520 and 1580. Another was Vincenzo Signoriello, an Italian philosopher and theologian from the 17th century, who authored several works on metaphysics and ethics.
In the 18th century, Giuseppe Signoriello was a prominent Italian lawyer and politician from Campania, who served as a magistrate and held various judicial positions in the Kingdom of Naples.
During the 19th century, Raffaele Signoriello was an Italian historian and author from Lazio, known for his works on the history of Rome and the Papal States.
In more recent times, Antonio Signoriello was an Italian businessman and philanthropist from Campania, who lived from 1895 to 1983 and was known for his charitable contributions to various organizations and institutions in his region.
Demographics
Ancestry and ethnicity for Signoriello
Among Census respondents with the surname Signoriello, the largest self-reported group is White at 84.9%. The next largest groups are Hispanic (10.4%) and Black (2.8%).
The bar chart below shows how Signoriello 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 Signoriello surname at the time of the 2020 Census, not any inherent property of the name itself.
- White84.9% · 90
- Hispanic or Latino10.4% · 11
- Black or African American2.8% · 3
- Two or more races1.9% · 2
Timeline
Historical Census data for Signoriello
Signoriello 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
#139,228
National surname rank
Recorded bearers 120
+11 bearers (+10.1%)
Per 100,000 0.04
Rank movement Up 1,528 places
2020
#152,339
National surname rank
Recorded bearers 106
-14 bearers (-11.7%)
Per 100,000 0.04
Rank movement Down 13,111 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #140,756 | 109 | 0.04 | First available Census row | First available Census row |
| 2010 | #139,228 | 120 | 0.04 | +11 bearers (+10.1%) | Up 1,528 places |
| 2020 | #152,339 | 106 | 0.04 | -14 bearers (-11.7%) | Down 13,111 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 Signoriello 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 | #139,228 | #152,339 | -9.4% |
| Count | 120 | 106 | -11.7% |
| Per 100K | 0.04 | 0.04 | -11.3% |
Between the 2010 and 2020 Census, the number of Signoriello bearers went from 120 to 106 (-11.7% change). The surname moved down 13,111 positions in the national ranking, going from #139,228 to #152,339.
FAQ
Signoriello surname: questions and answers
How many people in the U.S. have the surname Signoriello?
Name Census estimates that about 122 living Americans carry the surname Signoriello. Using the current population baseline, that works out to roughly 1 in 2,809,462 residents.
How common is Signoriello?
Signoriello ranks #152,339 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 106 people with the surname Signoriello. That is different from the site's living-bearer estimate (122), 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 Signoriello.
Has Signoriello become more or less common over time?
Between 2010 and 2020, the surname Signoriello went from 120 recorded bearers to 106. That is a decrease of 14 (-11.7%). In the national ranking it fell from #139,228 to #152,339.
What does the Census say about the background of Signoriello?
Among Census respondents with the surname Signoriello, the largest self-reported group is White at 84.9%. The next largest groups are Hispanic (10.4%) and Black (2.8%). 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 Signoriello in the 2020 Census, accounting for 84.9% (90 people in the source table).
What is the full ancestry breakdown?
Signoriello appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (84.9%), Hispanic (10.4%), Black (2.8%). 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 Signoriello (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 Signoriello mean?
An Italian surname derived from "signore" meaning lord or nobleman. 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 Signoriello (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 are called Signoriello?
See how many people are called Signoriello on HowManyOfMe.org, our sister site built around that single question.