2000
#84,310
National surname rank
Recorded bearers 207
First available Census row
Per 100,000 0.08
Very Rare Last name
Sblendorio
A locative surname derived from an Italian place name, likely related to "splendore" meaning splendor or brilliance.
According to the 2020 US Census Bureau surname tables, roughly 205 Americans carry the last name Sblendorio. That puts it at #106,101 in the national surname ranking, appearing at a frequency of 0.06 per 100,000 people (about 1 in 1,671,972 residents).
This page is the full Name Census profile for the Sblendorio 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
205
1 in 1,671,972
Census rank
#106,101
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
179
very rare in the US
Popularity narrative
The Census Bureau recorded 179 bearers of the surname Sblendorio in its 2020 decennial surname file. At a rate of 0.06 per 100,000 residents, it holds the 106101st position in the national surname ranking.
Among Census respondents with the surname Sblendorio, the largest self-reported group is White at 96.1%. The next largest groups are Hispanic (3.9%).
Origin
Meaning and origin of Sblendorio
The surname Sblendorio is of Italian origin, traced back to the regions of Campania and Abruzzo during the late medieval period. Its roots can be found in the Latin words "splendidus" and "gloria," signifying "splendid" and "glory" respectively. This name likely emerged as a descriptive moniker, perhaps bestowed upon an individual renowned for their illustrious deeds or radiant character.
Historical records indicate that the name Sblendorio appeared in various documents dating back to the 14th and 15th centuries. One notable mention is found in a manuscript from the archives of the city of Naples, where a certain Giacomo Sblendorio is listed among the city's prominent citizens in the year 1412.
The earliest known bearer of this surname is Niccolò Sblendorio, born in the village of Grottaminarda, near Avellino, in 1348. Niccolò was a skilled artisan and was renowned for his exquisite metalwork, which adorned several churches and noble residences in the region.
Another notable figure was Beatrice Sblendorio, a woman of great learning and influence who lived in the 15th century. Born in the town of Castel di Sangro in 1462, she is remembered for her contributions to the local literary scene and her patronage of the arts.
In the 16th century, Giovanni Battista Sblendorio, born in 1512 in the city of Benevento, gained recognition as a distinguished jurist and legal scholar. His influential treatises on civil law were widely studied and referenced across the Italian peninsula.
The name Sblendorio is also linked to the village of Sblendorio, located in the province of Chieti, Abruzzo. It is believed that this place name may have originated from the surname itself, as it was common for families to establish settlements and have them bear their name.
Throughout the centuries, variations in the spelling of the name have emerged, such as Splendorio, Splendoria, and Sblendoria, reflecting the linguistic evolution and regional dialects of the areas where the name was prominent.
Demographics
Ancestry and ethnicity for Sblendorio
Among Census respondents with the surname Sblendorio, the largest self-reported group is White at 96.1%. The next largest groups are Hispanic (3.9%).
The bar chart below shows how Sblendorio 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 Sblendorio surname at the time of the 2020 Census, not any inherent property of the name itself.
- White96.1% · 172
- Hispanic or Latino3.9% · 7
Timeline
Historical Census data for Sblendorio
Sblendorio 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
#88,020
National surname rank
Recorded bearers 211
+4 bearers (+1.9%)
Per 100,000 0.07
Rank movement Down 3,710 places
2020
#106,101
National surname rank
Recorded bearers 179
-32 bearers (-15.2%)
Per 100,000 0.06
Rank movement Down 18,081 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #84,310 | 207 | 0.08 | First available Census row | First available Census row |
| 2010 | #88,020 | 211 | 0.07 | +4 bearers (+1.9%) | Down 3,710 places |
| 2020 | #106,101 | 179 | 0.06 | -32 bearers (-15.2%) | Down 18,081 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 Sblendorio 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 | #88,020 | #106,101 | -20.5% |
| Count | 211 | 179 | -15.2% |
| Per 100K | 0.07 | 0.06 | -14.4% |
Between the 2010 and 2020 Census, the number of Sblendorio bearers went from 211 to 179 (-15.2% change). The surname moved down 18,081 positions in the national ranking, going from #88,020 to #106,101.
FAQ
Sblendorio surname: questions and answers
How many people in the U.S. have the surname Sblendorio?
Name Census estimates that about 205 living Americans carry the surname Sblendorio. Using the current population baseline, that works out to roughly 1 in 1,671,972 residents.
How common is Sblendorio?
Sblendorio ranks #106,101 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.06 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 179 people with the surname Sblendorio. That is different from the site's living-bearer estimate (205), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.06 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.06 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 Sblendorio.
Has Sblendorio become more or less common over time?
Between 2010 and 2020, the surname Sblendorio went from 211 recorded bearers to 179. That is a decrease of 32 (-15.2%). In the national ranking it fell from #88,020 to #106,101.
What does the Census say about the background of Sblendorio?
Among Census respondents with the surname Sblendorio, the largest self-reported group is White at 96.1%. The next largest groups are Hispanic (3.9%). 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 Sblendorio in the 2020 Census, accounting for 96.1% (172 people in the source table).
What is the full ancestry breakdown?
Sblendorio appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (96.1%), Hispanic (3.9%). 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 Sblendorio (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 Sblendorio mean?
A locative surname derived from an Italian place name, likely related to "splendore" meaning splendor or brilliance. 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 Sblendorio (0.06 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 last name Sblendorio?
Want to know how many people are called Sblendorio? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.