2000
#150,436
National surname rank
Recorded bearers 100
First available Census row
Per 100,000 0.04
Very Rare Last name
Dinaso
A surname likely of Spanish origin meaning "of Inacio" or "son of Inacio".
According to the 2020 US Census Bureau surname tables, roughly 123 Americans carry the last name Dinaso. That puts it at #151,639 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,786,621 residents).
This page is the full Name Census profile for the Dinaso 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
123
1 in 2,786,621
Census rank
#151,639
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
107
very rare in the US
Popularity narrative
The Census Bureau recorded 107 bearers of the surname Dinaso in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 151639th position in the national surname ranking.
Among Census respondents with the surname Dinaso, the largest self-reported group is White at 100.0%.
Origin
Meaning and origin of Dinaso
The surname DINASO has its origins traced back to the Mediterranean region, specifically the Italian peninsula, dating back to the 12th century. It is believed to have derived from the Latin word 'nasus,' meaning 'nose,' and the Italian prefix 'di,' signifying 'of' or 'from.' This suggests the name may have originally referred to a physical characteristic or a particular location associated with the nose.
Early records indicate that the name DINASO first appeared in the historic city of Florence, Italy, during the medieval period. It is mentioned in several documents from the 13th century, including the Florentine Chronicles, where a certain Guido DINASO is listed as a merchant and trader in the city's thriving textile industry.
The name DINASO can also be found in the historical archives of the Republic of Venice, where a family bearing this surname held prominent positions in the city's maritime and trade activities during the 15th and 16th centuries. One notable figure was Marco DINASO, a skilled navigator and explorer who embarked on voyages to the eastern Mediterranean and the Black Sea in the late 1400s.
As the name spread across Italy, various spellings emerged, such as DINASIO, DENASO, and DENASIO, reflecting regional linguistic variations. In the 17th century, a branch of the DINASO family settled in the southern region of Calabria, where they established themselves as landowners and wine producers.
The name DINASO also found its way to other parts of Europe, including Spain and France, likely through trade and migration routes. In Spain, records show a Rodrigo DINASO who served as a military officer during the Reconquista, the period when the Iberian Peninsula was reclaimed from Moorish rule in the 15th century.
Another notable figure was Giovanni DINASO, an Italian architect from the city of Genoa, who gained recognition for his work on various churches and palaces in the late 16th century. His most famous creation was the Church of San Matteo in Genoa, which exemplified the Baroque architectural style.
While the surname DINASO may not be among the most common today, its rich history spans centuries and regions, with individuals bearing this name leaving their mark in various fields, from commerce and exploration to military service and architecture.
Demographics
Ancestry and ethnicity for Dinaso
Among Census respondents with the surname Dinaso, the largest self-reported group is White at 100.0%.
The bar chart below shows how Dinaso 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 Dinaso surname at the time of the 2020 Census, not any inherent property of the name itself.
- White100.0% · 107
Timeline
Historical Census data for Dinaso
Dinaso 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
#139,228
National surname rank
Recorded bearers 120
+20 bearers (+20.0%)
Per 100,000 0.04
Rank movement Up 11,208 places
2020
#151,639
National surname rank
Recorded bearers 107
-13 bearers (-10.8%)
Per 100,000 0.04
Rank movement Down 12,411 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #150,436 | 100 | 0.04 | First available Census row | First available Census row |
| 2010 | #139,228 | 120 | 0.04 | +20 bearers (+20.0%) | Up 11,208 places |
| 2020 | #151,639 | 107 | 0.04 | -13 bearers (-10.8%) | Down 12,411 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 Dinaso 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 | #139,228 | #151,639 | -8.9% |
| Count | 120 | 107 | -10.8% |
| Per 100K | 0.04 | 0.04 | -10.5% |
Between the 2010 and 2020 Census, the number of Dinaso bearers went from 120 to 107 (-10.8% change). The surname moved down 12,411 positions in the national ranking, going from #139,228 to #151,639.
FAQ
Dinaso surname: questions and answers
How many people in the U.S. have the surname Dinaso?
Name Census estimates that about 123 living Americans carry the surname Dinaso. Using the current population baseline, that works out to roughly 1 in 2,786,621 residents.
How common is Dinaso?
Dinaso ranks #151,639 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 107 people with the surname Dinaso. That is different from the site's living-bearer estimate (123), 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 Dinaso.
Has Dinaso become more or less common over time?
Between 2010 and 2020, the surname Dinaso went from 120 recorded bearers to 107. That is a decrease of 13 (-10.8%). In the national ranking it fell from #139,228 to #151,639.
What does the Census say about the background of Dinaso?
Among Census respondents with the surname Dinaso, the largest self-reported group is White at 100.0%. 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 Dinaso in the 2020 Census, accounting for 100.0% (107 people in the source table).
What is the full ancestry breakdown?
Dinaso appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (100.0%). 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 Dinaso (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 Dinaso mean?
A surname likely of Spanish origin meaning "of Inacio" or "son of Inacio". 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 Dinaso (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 Americans have the surname Dinaso?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.