2000
#9,820
National surname rank
Recorded bearers 3,039
First available Census row
Per 100,000 1.13
Rare Last name
Ambrosio
Derived from the Latin name Ambrosius, meaning "immortal" or "divine," and bestowed as a patronymic surname.
According to the 2020 US Census Bureau surname tables, roughly 4,353 Americans carry the last name Ambrosio. That puts it at #8,352 in the national surname ranking, appearing at a frequency of 1.27 per 100,000 people (about 1 in 78,740 residents).
This page is the full Name Census profile for the Ambrosio 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
4.4K
1 in 78,740
Census rank
#8,352
2020 decennial data
Per 100,000
1.3
Frequency rate
Recorded bearers
3.8K
rare in the US
Popularity narrative
The Census Bureau recorded 3,796 bearers of the surname Ambrosio in its 2020 decennial surname file. At a rate of 1.27 per 100,000 residents, it holds the 8352nd position in the national surname ranking.
Among Census respondents with the surname Ambrosio, the largest self-reported group is Hispanic at 50.5%. The next largest groups are White (39.2%) and Asian/Pacific Islander (7.7%).
Origin
Meaning and origin of Ambrosio
The surname Ambrosio originated in Italy during the Middle Ages. It is derived from the Latin name Ambrosius, which itself comes from the Greek word "ambrosios" meaning "immortal" or "divine." The name was likely given to children in the hope that they would live a long and blessed life.
One of the earliest recorded instances of the Ambrosio surname can be found in the Codice Diplomatico Barese, a collection of documents from the city of Bari, dating back to the 11th century. The name appears frequently in records from various regions of Italy throughout the medieval and Renaissance periods.
During the 13th century, an Italian priest named Ambrosio Camaldolese (1186-1286) founded the Camaldolese Hermits, a monastic order that still exists today. His influence likely contributed to the popularity of the name in certain parts of Italy.
In the 15th century, a prominent Italian artist named Ambrogio Borgognone (1455-1523) was known for his religious paintings and frescoes. He was born in Milan and worked primarily in the regions of Lombardy and Piedmont.
The Ambrosio surname also has a connection to the island of Sicily. In the 17th century, a Sicilian nobleman named Giuseppe Ambrosio (1615-1691) was a prominent figure in the city of Palermo and played a role in the uprising against Spanish rule.
Another notable figure with the Ambrosio surname was the Italian architect and engineer Tommaso Ambrosio (1720-1794), who was responsible for the design and construction of several important buildings in Naples and other parts of southern Italy.
Throughout history, variations of the name have included Ambrosini, Ambrosi, and Ambrogio, among others. The name has also been associated with various place names in Italy, such as Ambrogiana, Ambrogiana di Sora, and Ambrogiana di Spoleto, reflecting the geographical spread of the surname across different regions.
Demographics
Ancestry and ethnicity for Ambrosio
Among Census respondents with the surname Ambrosio, the largest self-reported group is Hispanic at 50.5%. The next largest groups are White (39.2%) and Asian/Pacific Islander (7.7%).
The bar chart below shows how Ambrosio 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 Ambrosio surname at the time of the 2020 Census, not any inherent property of the name itself.
- Hispanic or Latino50.5% · 1,918
- White39.2% · 1,489
- Asian and Pacific Islander7.7% · 291
- Two or more races1.8% · 69
- Black or African American0.6% · 23
- American Indian and Alaska Native0.2% · 6
Timeline
Historical Census data for Ambrosio
Ambrosio 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
#8,353
National surname rank
Recorded bearers 3,963
+924 bearers (+30.4%)
Per 100,000 1.34
Rank movement Up 1,467 places
2020
#8,352
National surname rank
Recorded bearers 3,796
-167 bearers (-4.2%)
Per 100,000 1.27
Rank movement Up 1 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #9,820 | 3,039 | 1.13 | First available Census row | First available Census row |
| 2010 | #8,353 | 3,963 | 1.34 | +924 bearers (+30.4%) | Up 1,467 places |
| 2020 | #8,352 | 3,796 | 1.27 | -167 bearers (-4.2%) | Up 1 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 Ambrosio 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 | #8,353 | #8,352 | 0.0% |
| Count | 3,963 | 3,796 | -4.2% |
| Per 100K | 1.34 | 1.27 | -5.2% |
Between the 2010 and 2020 Census, the number of Ambrosio bearers went from 3,963 to 3,796 (-4.2% change). The surname moved up 1 positions in the national ranking, going from #8,353 to #8,352.
Notable bearers
Famous people with the surname Ambrosio
FAQ
Ambrosio surname: questions and answers
How many people in the U.S. have the surname Ambrosio?
Name Census estimates that about 4,353 living Americans carry the surname Ambrosio. Using the current population baseline, that works out to roughly 1 in 78,740 residents.
How common is Ambrosio?
Ambrosio ranks #8,352 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.27 per 100,000 residents, which is about 1 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 3,796 people with the surname Ambrosio. That is different from the site's living-bearer estimate (4,353), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 1.27 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 1.27 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 1 of them to have the surname Ambrosio.
Has Ambrosio become more or less common over time?
Between 2010 and 2020, the surname Ambrosio went from 3,963 recorded bearers to 3,796. That is a decrease of 167 (-4.2%). In the national ranking it rose from #8,353 to #8,352.
What does the Census say about the background of Ambrosio?
Among Census respondents with the surname Ambrosio, the largest self-reported group is Hispanic at 50.5%. The next largest groups are White (39.2%) and Asian/Pacific Islander (7.7%). 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?
Hispanic is the largest self-reported group for the surname Ambrosio in the 2020 Census, accounting for 50.5% (1,918 people in the source table).
What is the full ancestry breakdown?
Ambrosio appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (50.5%), White (39.2%), Asian/Pacific Islander (7.7%). 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 Ambrosio (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 Ambrosio mean?
Derived from the Latin name Ambrosius, meaning "immortal" or "divine," and bestowed as a patronymic surname. 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 Ambrosio (1.27 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 have the surname Ambrosio?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.