2000
#135,837
National surname rank
Recorded bearers 114
First available Census row
Per 100,000 0.04
Very Rare Last name
Mondro
An Italian surname derived from the word "mondo" meaning "world" or "globe".
According to the 2020 US Census Bureau surname tables, roughly 130 Americans carry the last name Mondro. That puts it at #147,221 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,636,572 residents).
This page is the full Name Census profile for the Mondro 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
130
1 in 2,636,572
Census rank
#147,221
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
113
very rare in the US
Popularity narrative
The Census Bureau recorded 113 bearers of the surname Mondro in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 147221st position in the national surname ranking.
Among Census respondents with the surname Mondro, the largest self-reported group is White at 85.0%. The next largest groups are Hispanic (6.2%) and Two or More Races (4.4%).
Origin
Meaning and origin of Mondro
The surname Mondro is believed to have originated in Italy, specifically in the regions of Tuscany and Liguria, during the Middle Ages. It is derived from the Italian word "mondo," meaning "world" or "earth," and may have been used as a descriptive nickname for someone who traveled extensively or had a worldly outlook.
One of the earliest recorded instances of the name Mondro can be found in the Florentine Codex, a 16th-century manuscript that documents the history and culture of the Aztec people in what is now Mexico. The codex mentions a Florentine explorer named Giovanni Battista Mondro, who accompanied the Spanish conquistador Hernán Cortés on his expedition to the New World in the early 1500s.
In the 17th century, the name Mondro appeared in various Italian records, including the parish registers of the town of Mondro in the province of Pistoia, Tuscany. This town likely took its name from the surname, suggesting that the Mondro family had a significant presence in the area during that time.
One notable figure with the surname Mondro was Francesco Mondro, a Genoese navigator and cartographer born in 1620. He is credited with creating some of the earliest detailed maps of the Mediterranean coast, and his work was widely used by sailors and merchants throughout the region.
Another prominent individual with the name Mondro was Giulia Mondro, a renowned Italian poet and playwright who lived in the late 18th century. Born in Florence in 1755, she gained recognition for her tragic plays and was considered one of the most influential female writers of her time.
In the 19th century, the Mondro surname appeared in several historical records related to the Italian unification movement, known as the Risorgimento. One such record mentions a Giuseppe Mondro, a patriot and soldier from Liguria who fought alongside Giuseppe Garibaldi in the battles for Italian independence in the 1860s.
Throughout its history, the surname Mondro has been associated with various professions, including exploration, cartography, literature, and military service. While the name may have originated in Italy, it has likely spread to other parts of the world through migration and cultural exchange over the centuries.
Demographics
Ancestry and ethnicity for Mondro
Among Census respondents with the surname Mondro, the largest self-reported group is White at 85.0%. The next largest groups are Hispanic (6.2%) and Two or More Races (4.4%).
The bar chart below shows how Mondro 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 Mondro surname at the time of the 2020 Census, not any inherent property of the name itself.
- White85.0% · 96
- Hispanic or Latino6.2% · 7
- Two or more races4.4% · 5
- Black or African American3.5% · 4
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Mondro
Mondro 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
#134,712
National surname rank
Recorded bearers 125
+11 bearers (+9.6%)
Per 100,000 0.04
Rank movement Up 1,125 places
2020
#147,221
National surname rank
Recorded bearers 113
-12 bearers (-9.6%)
Per 100,000 0.04
Rank movement Down 12,509 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #135,837 | 114 | 0.04 | First available Census row | First available Census row |
| 2010 | #134,712 | 125 | 0.04 | +11 bearers (+9.6%) | Up 1,125 places |
| 2020 | #147,221 | 113 | 0.04 | -12 bearers (-9.6%) | Down 12,509 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 Mondro 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 | #134,712 | #147,221 | -9.3% |
| Count | 125 | 113 | -9.6% |
| Per 100K | 0.04 | 0.04 | -5.5% |
Between the 2010 and 2020 Census, the number of Mondro bearers went from 125 to 113 (-9.6% change). The surname moved down 12,509 positions in the national ranking, going from #134,712 to #147,221.
FAQ
Mondro surname: questions and answers
How many people in the U.S. have the surname Mondro?
Name Census estimates that about 130 living Americans carry the surname Mondro. Using the current population baseline, that works out to roughly 1 in 2,636,572 residents.
How common is Mondro?
Mondro ranks #147,221 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 113 people with the surname Mondro. That is different from the site's living-bearer estimate (130), 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 Mondro.
Has Mondro become more or less common over time?
Between 2010 and 2020, the surname Mondro went from 125 recorded bearers to 113. That is a decrease of 12 (-9.6%). In the national ranking it fell from #134,712 to #147,221.
What does the Census say about the background of Mondro?
Among Census respondents with the surname Mondro, the largest self-reported group is White at 85.0%. The next largest groups are Hispanic (6.2%) and Two or More Races (4.4%). 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 Mondro in the 2020 Census, accounting for 85.0% (96 people in the source table).
What is the full ancestry breakdown?
Mondro appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (85.0%), Hispanic (6.2%), Two or More Races (4.4%). 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 Mondro (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 Mondro mean?
An Italian surname derived from the word "mondo" meaning "world" or "globe". 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 Mondro (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 have the last name Mondro?
If you just want to know how many people are called Mondro, HowManyOfMe.org gives you the headline number in one glance.