2010
#157,234
National surname rank
Recorded bearers 103
First available Census row
Per 100,000 0.03
Very Rare Last name
Dimemmo
A surname potentially derived from Italian words "di" and "memmo," indicating a place of origin or ancestry.
According to the 2020 US Census Bureau surname tables, roughly 131 Americans carry the last name Dimemmo. That puts it at #146,495 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,616,445 residents).
This page is the full Name Census profile for the Dimemmo 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
131
1 in 2,616,445
Census rank
#146,495
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
114
very rare in the US
Popularity narrative
The Census Bureau recorded 114 bearers of the surname Dimemmo in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 146495th position in the national surname ranking.
Among Census respondents with the surname Dimemmo, the largest self-reported group is White at 91.2%. The next largest groups are Two or More Races (4.4%) and Hispanic (1.8%).
Origin
Meaning and origin of Dimemmo
The surname DIMEMMO is believed to have originated in Italy, specifically in the region of Sicily. It is thought to have derived from the Italian phrase "di Memmo," which translates to "of Memmo." This suggests that the name was likely a patronymic, meaning it identified someone as the son or descendant of a person named Memmo.
The earliest known records of the DIMEMMO surname can be traced back to the 14th century in Sicily. During this time, the use of surnames was becoming more widespread, and many families adopted names based on their place of origin, occupation, or a distinguishing physical characteristic. The Memmo family may have been named after a small village or hamlet in Sicily, or it could have been a nickname or descriptive name given to an ancestor.
One of the earliest recorded instances of the DIMEMMO surname appears in a document from the Sicilian town of Catania, dated around 1380. This document mentions a Giovanni di Memmo, who was a landowner and merchant. Another notable early bearer of the name was Guglielmo DIMEMMO, a member of the Sicilian nobility who lived in the late 15th century.
Over the centuries, the DIMEMMO surname spread throughout Italy and beyond. In the 16th century, a merchant named Vincenzo DIMEMMO from Palermo was recorded as trading goods with merchants in Spain and Portugal. Another notable DIMEMMO was Girolamo DIMEMMO, a Sicilian scholar and philosopher who lived in the late 17th century and wrote several treatises on ethics and metaphysics.
In the 19th century, a family of DIMEMMOs from Naples emigrated to the United States, settling in New York City. One of their descendants, Antonio DIMEMMO (1855-1924), became a prominent businessman and philanthropist, known for his contributions to the Italian-American community.
Other notable bearers of the DIMEMMO surname include Maria DIMEMMO (1890-1972), an Italian-American author and poet who wrote about her experiences as an immigrant in New York, and Giuseppe DIMEMMO (1920-1998), an Italian artist and sculptor whose works were exhibited in galleries throughout Europe.
While the DIMEMMO surname may have originated from humble beginnings in Sicily, it has since been carried by individuals from various walks of life, including merchants, scholars, artists, and community leaders, leaving a lasting impact on the cultural heritage of Italy and beyond.
Demographics
Ancestry and ethnicity for Dimemmo
Among Census respondents with the surname Dimemmo, the largest self-reported group is White at 91.2%. The next largest groups are Two or More Races (4.4%) and Hispanic (1.8%).
The bar chart below shows how Dimemmo 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 Dimemmo surname at the time of the 2020 Census, not any inherent property of the name itself.
- White91.2% · 104
- Two or more races4.4% · 5
- Hispanic or Latino1.8% · 2
- Asian and Pacific Islander1.8% · 2
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Dimemmo
Dimemmo 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.
2020
#146,495
National surname rank
Recorded bearers 114
+11 bearers (+10.7%)
Per 100,000 0.04
Rank movement Up 10,739 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #157,234 | 103 | 0.03 | First available Census row | First available Census row |
| 2020 | #146,495 | 114 | 0.04 | +11 bearers (+10.7%) | Up 10,739 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 Dimemmo 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 | #157,234 | #146,495 | 6.8% |
| Count | 103 | 114 | 10.7% |
| Per 100K | 0.03 | 0.04 | 27.1% |
Between the 2010 and 2020 Census, the number of Dimemmo bearers went from 103 to 114 (+10.7% change). The surname moved up 10,739 positions in the national ranking, going from #157,234 to #146,495.
FAQ
Dimemmo surname: questions and answers
How many people in the U.S. have the surname Dimemmo?
Name Census estimates that about 131 living Americans carry the surname Dimemmo. Using the current population baseline, that works out to roughly 1 in 2,616,445 residents.
How common is Dimemmo?
Dimemmo ranks #146,495 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 114 people with the surname Dimemmo. That is different from the site's living-bearer estimate (131), 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 Dimemmo.
Has Dimemmo become more or less common over time?
Between 2010 and 2020, the surname Dimemmo went from 103 recorded bearers to 114. That is an increase of 11 (+10.7%). In the national ranking it rose from #157,234 to #146,495.
What does the Census say about the background of Dimemmo?
Among Census respondents with the surname Dimemmo, the largest self-reported group is White at 91.2%. The next largest groups are Two or More Races (4.4%) and Hispanic (1.8%). 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 Dimemmo in the 2020 Census, accounting for 91.2% (104 people in the source table).
What is the full ancestry breakdown?
Dimemmo appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (91.2%), Two or More Races (4.4%), Hispanic (1.8%). 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 Dimemmo (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 Dimemmo mean?
A surname potentially derived from Italian words "di" and "memmo," indicating a place of origin or ancestry. 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 Dimemmo (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 surname Dimemmo?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.