2000
#71,610
National surname rank
Recorded bearers 254
First available Census row
Per 100,000 0.09
Very Rare Last name
Defilippi
An Italian surname derived from the Latin phrase "de" (of) and "filius Philippi" (son of Philip).
According to the 2020 US Census Bureau surname tables, roughly 330 Americans carry the last name Defilippi. That puts it at #72,692 in the national surname ranking, appearing at a frequency of 0.10 per 100,000 people (about 1 in 1,038,650 residents).
This page is the full Name Census profile for the Defilippi 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
330
1 in 1,038,650
Census rank
#72,692
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
288
very rare in the US
Popularity narrative
The Census Bureau recorded 288 bearers of the surname Defilippi in its 2020 decennial surname file. At a rate of 0.10 per 100,000 residents, it holds the 72692nd position in the national surname ranking.
Among Census respondents with the surname Defilippi, the largest self-reported group is White at 83.7%. The next largest groups are Hispanic (13.9%) and Two or More Races (1.4%).
Origin
Meaning and origin of Defilippi
The surname DeFilippi is of Italian origin, specifically from the Campania region of southern Italy. It is derived from the Italian words "de" and "Filippi," which translate to "from" and "Philip," respectively. The name likely originated in the Middle Ages when surnames became more widespread.
The earliest known reference to the name DeFilippi can be traced back to the 13th century in various records and documents from the region. Some of these include church records, tax rolls, and legal documents. The spelling variations found in these early records include De Filippi, De Filippis, and De Philippis, among others.
One of the earliest recorded individuals with the surname DeFilippi was Giovanni DeFilippi, who was born in the town of Aversa, near Naples, in the late 13th century. He was a merchant and landowner, and his name appears in several local records from that time.
Another notable figure was Tommaso DeFilippi, a renowned physician and scholar who lived in Naples during the 15th century. He was known for his contributions to the field of medicine and his teachings at the University of Naples.
In the 16th century, the DeFilippi family established themselves as prominent landowners and nobility in the area around Caserta, a city located between Naples and Rome. One member of this branch was Gian Battista DeFilippi, who served as a local magistrate and held various positions of authority in the region.
During the 17th century, there are records of a Giuseppe DeFilippi, a skilled artisan and sculptor who worked on several notable churches and buildings in Naples and its surroundings. His works can still be seen in some of the city's historic landmarks.
In the 19th century, a prominent figure with the surname DeFilippi was Filippo DeFilippi, an Italian explorer and naturalist born in Milan in 1814. He led several expeditions to various parts of the world, including the Middle East and Central Asia, and made significant contributions to the field of natural history.
Throughout its history, the surname DeFilippi has been associated with various professions, including merchants, landowners, scholars, artists, and explorers. Despite its Italian origins, the name has since spread to other parts of the world due to migration and can now be found in various countries.
Demographics
Ancestry and ethnicity for Defilippi
Among Census respondents with the surname Defilippi, the largest self-reported group is White at 83.7%. The next largest groups are Hispanic (13.9%) and Two or More Races (1.4%).
The bar chart below shows how Defilippi 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 Defilippi surname at the time of the 2020 Census, not any inherent property of the name itself.
- White83.7% · 241
- Hispanic or Latino13.9% · 40
- Two or more races1.4% · 4
- Black or African American0.7% · 2
- Asian and Pacific Islander0.3% · 1
Timeline
Historical Census data for Defilippi
Defilippi 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
#89,753
National surname rank
Recorded bearers 206
-48 bearers (-18.9%)
Per 100,000 0.07
Rank movement Down 18,143 places
2020
#72,692
National surname rank
Recorded bearers 288
+82 bearers (+39.8%)
Per 100,000 0.10
Rank movement Up 17,061 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #71,610 | 254 | 0.09 | First available Census row | First available Census row |
| 2010 | #89,753 | 206 | 0.07 | -48 bearers (-18.9%) | Down 18,143 places |
| 2020 | #72,692 | 288 | 0.10 | +82 bearers (+39.8%) | Up 17,061 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 Defilippi 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 | #89,753 | #72,692 | 19.0% |
| Count | 206 | 288 | 39.8% |
| Per 100K | 0.07 | 0.10 | 37.6% |
Between the 2010 and 2020 Census, the number of Defilippi bearers went from 206 to 288 (+39.8% change). The surname moved up 17,061 positions in the national ranking, going from #89,753 to #72,692.
FAQ
Defilippi surname: questions and answers
How many people in the U.S. have the surname Defilippi?
Name Census estimates that about 330 living Americans carry the surname Defilippi. Using the current population baseline, that works out to roughly 1 in 1,038,650 residents.
How common is Defilippi?
Defilippi ranks #72,692 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.10 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 288 people with the surname Defilippi. That is different from the site's living-bearer estimate (330), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.1 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.10 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 Defilippi.
Has Defilippi become more or less common over time?
Between 2010 and 2020, the surname Defilippi went from 206 recorded bearers to 288. That is an increase of 82 (+39.8%). In the national ranking it rose from #89,753 to #72,692.
What does the Census say about the background of Defilippi?
Among Census respondents with the surname Defilippi, the largest self-reported group is White at 83.7%. The next largest groups are Hispanic (13.9%) and Two or More Races (1.4%). 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 Defilippi in the 2020 Census, accounting for 83.7% (241 people in the source table).
What is the full ancestry breakdown?
Defilippi appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (83.7%), Hispanic (13.9%), Two or More Races (1.4%). 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 Defilippi (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 Defilippi mean?
An Italian surname derived from the Latin phrase "de" (of) and "filius Philippi" (son of Philip). 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 Defilippi (0.10 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 Defilippi?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.