2000
#140,756
National surname rank
Recorded bearers 109
First available Census row
Per 100,000 0.04
Very Rare Last name
Morosini
Venetian surname derived from the Greek word "moros" meaning foolish or dull.
According to the 2020 US Census Bureau surname tables, roughly 111 Americans carry the last name Morosini. That puts it at #156,449 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 3,087,877 residents).
This page is the full Name Census profile for the Morosini 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
111
1 in 3,087,877
Census rank
#156,449
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
97
very rare in the US
Popularity narrative
The Census Bureau recorded 97 bearers of the surname Morosini in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 156449th position in the national surname ranking.
Among Census respondents with the surname Morosini, the largest self-reported group is White at 96.9%. The next largest groups are Hispanic (3.1%).
Origin
Meaning and origin of Morosini
The surname Morosini originated in Italy, specifically from the city of Venice. It likely derived from the Medieval Latin word "moroso" or "morosus," meaning "slow" or "lingering." The name may have been given to someone who was perceived as taking their time or being deliberate in their actions.
The Morosini family was one of the most prominent and influential families in the Republic of Venice during the medieval and Renaissance periods. They held positions of power in the government and were involved in various aspects of Venetian life, including trade, diplomacy, and military affairs.
One of the earliest recorded mentions of the Morosini name can be found in the 11th century. In 1094, a Domenico Morosini was elected as the Doge of Venice, the highest-ranking official in the republic. He ruled from 1094 to 1096.
Another notable member of the Morosini family was Francesco Morosini (1619-1694), a Venetian military leader and statesman who served as the Doge of Venice from 1688 until his death. He was renowned for his successful military campaigns against the Ottoman Empire, particularly his capture of the Peloponnese peninsula in Greece.
In the 14th century, a branch of the Morosini family settled on the island of Crete, which was under Venetian control at the time. They established themselves as landowners and became influential in the local administration. One of the most famous members of this branch was Tommaso Morosini (1545-1603), who served as the Duke of Crete from 1597 to 1603.
The name Morosini was also associated with several notable palaces and buildings in Venice. The Palazzo Morosini, located in the Cannaregio district, was a magnificent Renaissance-era palace that belonged to a branch of the family. The Palazzo Morosini del Navagero, another historic palace, was also named after the family.
Other notable individuals with the surname Morosini include Andrea Morosini (1558-1618), a Venetian historian and writer who authored several works on Venetian history and literature, and Paolo Morosini (1675-1768), a Venetian nobleman and patron of the arts who commissioned works from renowned artists such as Giambattista Tiepolo.
Demographics
Ancestry and ethnicity for Morosini
Among Census respondents with the surname Morosini, the largest self-reported group is White at 96.9%. The next largest groups are Hispanic (3.1%).
The bar chart below shows how Morosini 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 Morosini surname at the time of the 2020 Census, not any inherent property of the name itself.
- White96.9% · 94
- Hispanic or Latino3.1% · 3
Timeline
Historical Census data for Morosini
Morosini 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
#156,044
National surname rank
Recorded bearers 104
-5 bearers (-4.6%)
Per 100,000 0.04
Rank movement Down 15,288 places
2020
#156,449
National surname rank
Recorded bearers 97
-7 bearers (-6.7%)
Per 100,000 0.03
Rank movement Down 405 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #140,756 | 109 | 0.04 | First available Census row | First available Census row |
| 2010 | #156,044 | 104 | 0.04 | -5 bearers (-4.6%) | Down 15,288 places |
| 2020 | #156,449 | 97 | 0.03 | -7 bearers (-6.7%) | Down 405 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 Morosini 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 | #156,044 | #156,449 | -0.3% |
| Count | 104 | 97 | -6.7% |
| Per 100K | 0.04 | 0.03 | -18.9% |
Between the 2010 and 2020 Census, the number of Morosini bearers went from 104 to 97 (-6.7% change). The surname moved down 405 positions in the national ranking, going from #156,044 to #156,449.
FAQ
Morosini surname: questions and answers
How many people in the U.S. have the surname Morosini?
Name Census estimates that about 111 living Americans carry the surname Morosini. Using the current population baseline, that works out to roughly 1 in 3,087,877 residents.
How common is Morosini?
Morosini ranks #156,449 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.03 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 97 people with the surname Morosini. That is different from the site's living-bearer estimate (111), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.03 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.03 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 Morosini.
Has Morosini become more or less common over time?
Between 2010 and 2020, the surname Morosini went from 104 recorded bearers to 97. That is a decrease of 7 (-6.7%). In the national ranking it fell from #156,044 to #156,449.
What does the Census say about the background of Morosini?
Among Census respondents with the surname Morosini, the largest self-reported group is White at 96.9%. The next largest groups are Hispanic (3.1%). 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 Morosini in the 2020 Census, accounting for 96.9% (94 people in the source table).
What is the full ancestry breakdown?
Morosini appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (96.9%), Hispanic (3.1%). 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 Morosini (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 Morosini mean?
Venetian surname derived from the Greek word "moros" meaning foolish or dull. 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 Morosini (0.03 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 Morosini?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.