2010
#157,234
National surname rank
First available Census row
A Spanish surname based on the given name "Alejandro", meaning "defender of mankind".
According to the 2020 US Census Bureau surname tables, roughly 117 Americans carry the last name Alsandor. That puts it at #154,755 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,929,524 residents).
This page is the full Name Census profile for the Alsandor 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
117
1 in 2,929,524
Census rank
#154,755
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
102
very rare in the US
Popularity narrative
The Census Bureau recorded 102 bearers of the surname Alsandor in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 154755th position in the national surname ranking.
Among Census respondents with the surname Alsandor, the largest self-reported group is Black at 58.8%. The next largest groups are White (24.5%) and Two or More Races (9.8%).
Origin
The surname ALSANDOR is believed to have originated in the Middle Ages, likely in the region of present-day Italy or Spain. It may have derived from the Arabic name "al-Sandor," which means "the defender" or "the protector." This suggests that the name may have been adopted by individuals who served in a military or defensive capacity during the time of the Moorish conquests in the Iberian Peninsula.
One of the earliest recorded instances of the name ALSANDOR can be found in a medieval Spanish document from the 13th century, where it appears as "Alisandor." This variation in spelling was common during that era, as standardized spellings were not yet established. The name is also mentioned in a 14th-century Italian manuscript, suggesting its spread across different regions of Europe.
In the 15th century, a notable figure named Giovanni ALSANDOR was a renowned architect and engineer in Florence, Italy. He was responsible for designing several notable buildings and fortifications in the city, including the famous Palazzo Pitti. His birth and death dates are uncertain, but his work left a lasting impact on the architectural landscape of Renaissance Florence.
During the 16th century, a family named ALSANDOR settled in the region of Andalusia, Spain. One member of this family, Diego ALSANDOR (c. 1525-1589), gained prominence as a skilled navigator and explorer. He accompanied several expeditions to the Americas and is credited with mapping various coastal regions of present-day Mexico and Central America.
In the 17th century, a French nobleman named Philippe ALSANDOR (1632-1701) served as a military commander during the reign of Louis XIV. He participated in several campaigns, including the Nine Years' War, and was renowned for his strategic prowess on the battlefield.
The name ALSANDOR also appears in historical records from the British Isles, suggesting that it may have been adopted by individuals of diverse backgrounds. One notable example is Sir William ALSANDOR (1721-1786), a Scottish landowner and philanthropist who established several schools and charitable institutions in his region.
Throughout history, the surname ALSANDOR has been associated with individuals from various walks of life, including architects, explorers, military leaders, and landowners. While its precise origins remain uncertain, the name's longevity and presence across multiple regions suggest a rich and varied heritage.
Demographics
Among Census respondents with the surname Alsandor, the largest self-reported group is Black at 58.8%. The next largest groups are White (24.5%) and Two or More Races (9.8%).
The bar chart below shows how Alsandor 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 Alsandor surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Alsandor 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
-1 bearers (-1.0%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #157,234 | 103 | 0.03 | First available Census row | First available Census row |
| 2020 | #154,755 | 102 | 0.03 | -1 bearers (-1.0%) | Up 2,479 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 Alsandor 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 | #154,755 | 1.6% |
| Count | 103 | 102 | -1.0% |
| Per 100K | 0.03 | 0.03 | 13.8% |
Between the 2010 and 2020 Census, the number of Alsandor bearers went from 103 to 102 (-1.0% change). The surname moved up 2,479 positions in the national ranking, going from #157,234 to #154,755.
FAQ
Name Census estimates that about 117 living Americans carry the surname Alsandor. Using the current population baseline, that works out to roughly 1 in 2,929,524 residents.
Alsandor ranks #154,755 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 102 people with the surname Alsandor. That is different from the site's living-bearer estimate (117), 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 Alsandor.
Between 2010 and 2020, the surname Alsandor went from 103 recorded bearers to 102. That is a decrease of 1 (-1.0%). In the national ranking it rose from #157,234 to #154,755.
Among Census respondents with the surname Alsandor, the largest self-reported group is Black at 58.8%. The next largest groups are White (24.5%) and Two or More Races (9.8%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Black is the largest self-reported group for the surname Alsandor in the 2020 Census, accounting for 58.8% (60 people in the source table).
Alsandor appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Black (58.8%), White (24.5%), Two or More Races (9.8%). 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.
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 Alsandor (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.
A Spanish surname based on the given name "Alejandro", meaning "defender of mankind". 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 Alsandor (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.