2010
#157,234
National surname rank
First available Census row
An informal term for the word "dinosaur" or a portmanteau of "dino" and "nome".
According to the 2020 US Census Bureau surname tables, roughly 109 Americans carry the last name Dinome. That puts it at #156,592 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 3,144,535 residents).
This page is the full Name Census profile for the Dinome 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
109
1 in 3,144,535
Census rank
#156,592
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
95
very rare in the US
Popularity narrative
The Census Bureau recorded 95 bearers of the surname Dinome in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 156592nd position in the national surname ranking.
Among Census respondents with the surname Dinome, the largest self-reported group is White at 93.7%. The next largest groups are Hispanic (3.2%) and Two or More Races (2.1%).
Origin
The surname DINOME is believed to have originated in the northern regions of Italy during the medieval period, specifically in the region of Lombardy. It is derived from the Italian phrase "di nome," which translates to "of name" or "by name." This suggests that the name may have been initially used as a descriptive term to identify individuals by their given name or to distinguish between multiple individuals with the same first name.
One of the earliest recorded instances of the DINOME surname can be found in the Codex Diplomaticus Cavensis, a collection of medieval documents from the Cava de' Tirreni monastery in Campania, Italy. This collection includes a document dated 1148 that mentions a certain "Petrus de Nomo," which is believed to be an early variation of the DINOME surname.
In the 13th century, the name appears in various records from the Duchy of Milan, such as the "Liber Consuetudinum Mediolani" (Book of Customs of Milan), where individuals with the surname DINOME are mentioned. This suggests that the name had become well-established in the region by this time.
During the Renaissance period, the DINOME surname gained prominence with several notable individuals bearing the name. One such figure was Giovanni Battista Dinome (1470-1537), a renowned physician and scholar from Pavia, who authored several works on medicine and natural philosophy.
Another prominent bearer of the DINOME surname was Francesco Dinome (1523-1598), a renowned architect and engineer from Milan. He was responsible for the design and construction of several notable buildings and fortifications in the region, including the Castello Sforzesco in Milan.
In the 17th century, the DINOME surname appears in records from the Republic of Venice, where a family of that name was prominent in the city's maritime trade. One notable member was Marco Dinome (1628-1695), a successful merchant and ship owner who played a significant role in the Venetian spice trade with the East Indies.
The 18th century saw the DINOME surname spread beyond Italy, with individuals bearing the name appearing in records from various parts of Europe. One such individual was Johann Dinome (1748-1812), a German composer and violinist who served as the court musician for the Prince-Bishop of Bamberg.
Throughout its history, the DINOME surname has been associated with various notable individuals across various fields, including medicine, architecture, commerce, and the arts. While the surname may have originated as a descriptive term, it has evolved into a distinct and respected family name with a rich cultural heritage.
Demographics
Among Census respondents with the surname Dinome, the largest self-reported group is White at 93.7%. The next largest groups are Hispanic (3.2%) and Two or More Races (2.1%).
The bar chart below shows how Dinome 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 Dinome surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Dinome appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2010
National surname rank
First available Census row
2020
National surname rank
-8 bearers (-7.8%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #157,234 | 103 | 0.03 | First available Census row | First available Census row |
| 2020 | #156,592 | 95 | 0.03 | -8 bearers (-7.8%) | Up 642 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
How has the Dinome surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #157,234 | #156,592 | 0.4% |
| Count | 103 | 95 | -7.8% |
| Per 100K | 0.03 | 0.03 | 5.9% |
Between the 2010 and 2020 Census, the number of Dinome bearers went from 103 to 95 (-7.8% change). The surname moved up 642 positions in the national ranking, going from #157,234 to #156,592.
FAQ
Name Census estimates that about 109 living Americans carry the surname Dinome. Using the current population baseline, that works out to roughly 1 in 3,144,535 residents.
Dinome ranks #156,592 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.
The raw 2020 Census file counted 95 people with the surname Dinome. That is different from the site's living-bearer estimate (109), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
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 Dinome.
Between 2010 and 2020, the surname Dinome went from 103 recorded bearers to 95. That is a decrease of 8 (-7.8%). In the national ranking it rose from #157,234 to #156,592.
Among Census respondents with the surname Dinome, the largest self-reported group is White at 93.7%. The next largest groups are Hispanic (3.2%) and Two or More Races (2.1%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
White is the largest self-reported group for the surname Dinome in the 2020 Census, accounting for 93.7% (89 people in the source table).
Dinome appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.7%), Hispanic (3.2%), Two or More Races (2.1%). 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.
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 Dinome (2010, 2020).
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.
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.
An informal term for the word "dinosaur" or a portmanteau of "dino" and "nome". The fuller origin note on this page goes into more detail.
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.
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 Dinome (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.
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.