2000
#128,797
National surname rank
Recorded bearers 122
First available Census row
Per 100,000 0.05
Very Rare Last name
Miosi
A variant spelling of the Italian surname Miosi, possibly derived from a personal name or a place name.
According to the 2020 US Census Bureau surname tables, roughly 134 Americans carry the last name Miosi. That puts it at #144,270 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,557,868 residents).
This page is the full Name Census profile for the Miosi 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
134
1 in 2,557,868
Census rank
#144,270
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
117
very rare in the US
Popularity narrative
The Census Bureau recorded 117 bearers of the surname Miosi in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 144270th position in the national surname ranking.
Among Census respondents with the surname Miosi, the largest self-reported group is White at 89.7%. The next largest groups are Hispanic (3.4%) and Two or More Races (3.4%).
Origin
Meaning and origin of Miosi
The surname MIOSI has its origins in Italy, with roots dating back to the 15th century. The name is believed to have originated from the Italian word "mio," which means "mine" or "my." It's possible that the surname was initially given to individuals who were known for their possessive or protective nature.
One of the earliest recorded instances of the surname MIOSI can be found in the Venetian archives from the late 15th century. The name appeared in various documents and records, suggesting that families bearing the surname were prominent in the region during that time period.
In the 16th century, the MIOSI name was also documented in the town of Miosi, located in the province of Pavia, Lombardy. It's possible that the surname was derived from the place name, or vice versa, as it was common for surnames to be adopted based on geographic locations or landmarks.
One notable individual with the MIOSI surname was Giovanni Miosi, a renowned painter from Venice who lived during the late 16th and early 17th centuries. His works were highly regarded and can still be found in various churches and galleries throughout Italy.
In the 17th century, the MIOSI surname appeared in various records, including birth, marriage, and death registries, across different regions of Italy, indicating the family's widespread presence.
Another notable figure was Pietro Miosi, a scholar and philosopher who lived in the 18th century. He was highly respected for his writings and contributions to the intellectual discourse of his time.
During the 19th century, the MIOSI surname gained prominence in the literary world with the birth of Cristina Miosi, a celebrated Italian poet and author. Her works were widely acclaimed and continue to be studied and appreciated today.
In the same century, Antonio Miosi, a prominent architect, left his mark on the architectural landscape of several Italian cities with his innovative designs and masterful craftsmanship.
As the MIOSI surname spread across Italy, it also found its way to other parts of Europe and beyond, with families bearing the name settling in various countries and contributing to their respective communities.
While the origins of the MIOSI surname can be traced back to Italy, its historical significance spans multiple centuries and has left an indelible mark on various aspects of cultural and societal development.
Demographics
Ancestry and ethnicity for Miosi
Among Census respondents with the surname Miosi, the largest self-reported group is White at 89.7%. The next largest groups are Hispanic (3.4%) and Two or More Races (3.4%).
The bar chart below shows how Miosi 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 Miosi surname at the time of the 2020 Census, not any inherent property of the name itself.
- White89.7% · 105
- Hispanic or Latino3.4% · 4
- Two or more races3.4% · 4
- Asian and Pacific Islander1.7% · 2
- Black or African American0.9% · 1
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Miosi
Miosi 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
#143,149
National surname rank
Recorded bearers 116
-6 bearers (-4.9%)
Per 100,000 0.04
Rank movement Down 14,352 places
2020
#144,270
National surname rank
Recorded bearers 117
+1 bearers (+0.9%)
Per 100,000 0.04
Rank movement Down 1,121 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #128,797 | 122 | 0.05 | First available Census row | First available Census row |
| 2010 | #143,149 | 116 | 0.04 | -6 bearers (-4.9%) | Down 14,352 places |
| 2020 | #144,270 | 117 | 0.04 | +1 bearers (+0.9%) | Down 1,121 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 Miosi 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 | #143,149 | #144,270 | -0.8% |
| Count | 116 | 117 | 0.9% |
| Per 100K | 0.04 | 0.04 | -2.1% |
Between the 2010 and 2020 Census, the number of Miosi bearers went from 116 to 117 (+0.9% change). The surname moved down 1,121 positions in the national ranking, going from #143,149 to #144,270.
FAQ
Miosi surname: questions and answers
How many people in the U.S. have the surname Miosi?
Name Census estimates that about 134 living Americans carry the surname Miosi. Using the current population baseline, that works out to roughly 1 in 2,557,868 residents.
How common is Miosi?
Miosi ranks #144,270 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 117 people with the surname Miosi. That is different from the site's living-bearer estimate (134), 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 Miosi.
Has Miosi become more or less common over time?
Between 2010 and 2020, the surname Miosi went from 116 recorded bearers to 117. That is an increase of 1 (+0.9%). In the national ranking it fell from #143,149 to #144,270.
What does the Census say about the background of Miosi?
Among Census respondents with the surname Miosi, the largest self-reported group is White at 89.7%. The next largest groups are Hispanic (3.4%) and Two or More Races (3.4%). 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 Miosi in the 2020 Census, accounting for 89.7% (105 people in the source table).
What is the full ancestry breakdown?
Miosi appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (89.7%), Hispanic (3.4%), Two or More Races (3.4%). 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 Miosi (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 Miosi mean?
A variant spelling of the Italian surname Miosi, possibly derived from a personal name or a place name. 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 Miosi (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 Miosi?
You can see how common the surname Miosi is on our sister site HowManyOfMe.org — same data roots, lighter UI.