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Very Rare Last name

Quadrozzi

A surname derived from the Italian word "quadro", meaning "square" or "frame".

According to the 2000 US Census Bureau surname tables, roughly 137 Americans carry the last name Quadrozzi. That puts it at #150,436 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,501,856 residents).

This page is the full Name Census profile for the Quadrozzi 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.

Quadrozzi appeared in the 2000 Census surname file but was not included in the published 2020 file. The Census Bureau only publishes surnames with at least 100 recorded bearers, so this usually means the name fell below that threshold.

Bearers in the US

137

1 in 2,501,856

Census rank

#150,436

2000 decennial data

Per 100,000

0.0

Frequency rate

Recorded bearers

100

very rare in the US

Popularity narrative

The Census Bureau recorded 100 bearers of the surname Quadrozzi in its 2000 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150436th position in the national surname ranking.

Among Census respondents with the surname Quadrozzi, the largest self-reported group is White at 99.0%.

Origin

Meaning and origin of Quadrozzi

The surname Quadrozzi has its origins in Italy, with its roots deeply embedded in the rich linguistic and cultural history of the country. It is believed to have originated during the medieval period, a time when surnames were becoming more common as a means of distinguishing individuals within communities. The name is particularly associated with the central regions of Italy, notably Lazio and Abruzzo, areas known for their pastoral and agricultural societies.

The etymology of Quadrozzi is likely derived from the Italian word quadro, meaning "square" or "framework," potentially referring to a geographical feature, a type of construction, or perhaps a painting or artwork. The suffix -ozzi is a diminutive or patronymic form, often used in Italian surnames to denote "son of" or "descendant of." This suggests that the original bearer of the name may have been known for living near or working with squares or frameworks, or perhaps had a familial connection to someone with such an occupational or locational link.

Historical references to the surname Quadrozzi can be found in various manuscripts and records from the Renaissance period. One of the earliest mentions is in a land registry from 1453 in the town of Collepardo in Lazio, documenting a Giovanni Quadrozzi who was a landowner. This indicates that the family was of some significance and had established itself in the region by the mid-15th century.

Another notable record is from the early 16th century, where a Pietro Quadrozzi is mentioned in the municipal records of Rome as a master mason, suggesting a possible connection to the name's etymological roots in construction or framework. His work on several public buildings between 1510 and 1535 highlights the family's involvement in significant architectural projects during the Renaissance.

In the 17th century, Ludovico Quadrozzi emerged as a prominent figure in Abruzzo, known for his contributions to the ecclesiastical community. Born in 1620 and passing away in 1690, Ludovico was a respected priest and scholar, authoring several religious texts that were well-regarded in his time. His works were influential in the local church and still bear testament to the intellectual legacy of the Quadrozzi name.

By the 18th century, the Quadrozzi name had spread to the arts. Caterina Quadrozzi, born in 1734 in Florence, was an accomplished painter known for her detailed and vibrant landscapes. Her works were exhibited in various galleries across Italy, and she received acclaim for her contribution to the artistic scene of her era. Caterina’s paintings remain part of several private collections and occasional exhibitions today.

In the 19th century, Luigi Quadrozzi was a noted political figure and patriot. Born in 1821, Luigi played an active role in the Risorgimento, the movement for Italian unification. He participated in several key events and was known for his oratory skills and his commitment to the cause of a united Italy until his death in 1887. His efforts are commemorated in local histories and a plaque in his hometown.

These historical figures with the surname Quadrozzi highlight the diverse contributions of individuals bearing this name throughout Italian history, reflecting the rich heritage and enduring presence of the Quadrozzi family in various facets of cultural, religious, artistic, and political life.

Demographics

Ancestry and ethnicity for Quadrozzi

Among Census respondents with the surname Quadrozzi, the largest self-reported group is White at 99.0%.

The bar chart below shows how Quadrozzi bearers described their own race and ethnicity on the 2000 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 Quadrozzi surname at the time of the 2000 Census, not any inherent property of the name itself.

  • White99.0%
  • Unknown or suppressed1.0%

FAQ

Quadrozzi surname: questions and answers

How many people in the U.S. have the surname Quadrozzi?

Name Census estimates that about 137 living Americans carry the surname Quadrozzi. Using the current population baseline, that works out to roughly 1 in 2,501,856 residents.

How common is Quadrozzi?

Quadrozzi ranks #150,436 in the 2000 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 2000 Census file counted 100 people with the surname Quadrozzi. That is different from the site's living-bearer estimate (137), 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 Quadrozzi.

Has Quadrozzi become more or less common over time?

Quadrozzi appears here with 2000 Census data. When additional surname-file years are available for this name, Name Census uses them to show longer-term movement in rank and bearer count.

What does the Census say about the background of Quadrozzi?

Among Census respondents with the surname Quadrozzi, the largest self-reported group is White at 99.0%. These figures come from the 2000 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 Quadrozzi in the 2000 Census, accounting for 99.0%.

What is the full ancestry breakdown?

Quadrozzi appears across multiple self-reported groups in the Census data. The largest shares in the 2000 file are White (99.0%).

Is this page using the latest Census data?

Not necessarily. Quadrozzi appears here with 2000 Census data, while the latest surname file loaded on Name Census is 2020. When a surname drops below the Census publication threshold, older rows can still be kept for historical reference even if the name no longer appears in the newest file.

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 Quadrozzi mean?

A surname derived from the Italian word "quadro", meaning "square" or "frame". 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 2000 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 Quadrozzi (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 Quadrozzi?

See how many people have the last name Quadrozzi on HowManyOfMe.org, our sister site built around that single question.

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There are 137 people

with the surname

Quadrozzi

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