2010
#153,769
National surname rank
First available Census row
A surname possibly derived from the Polish word "sieka" meaning "to cut" or "to chop".
According to the 2020 US Census Bureau surname tables, roughly 115 Americans carry the last name Sichi. That puts it at #155,682 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,980,473 residents).
This page is the full Name Census profile for the Sichi 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
115
1 in 2,980,473
Census rank
#155,682
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
100
very rare in the US
Popularity narrative
The Census Bureau recorded 100 bearers of the surname Sichi in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 155682nd position in the national surname ranking.
Among Census respondents with the surname Sichi, the largest self-reported group is White at 82.0%. The next largest groups are Hispanic (9.0%) and Asian/Pacific Islander (4.0%).
Origin
The surname SICHI has its origins in Italy, and it is believed to have emerged during the Renaissance period, which spanned from the 14th to the 17th century. The name is thought to be derived from the Italian word "sicio," which means "hissing sound" or "whisper." This suggests that the name may have initially been used as a nickname or a descriptive term for someone who spoke in a hushed or whispering manner.
One of the earliest recorded instances of the SICHI surname can be found in the archives of the Venetian Republic, where a merchant named Giovanni SICHI was mentioned in a trade document dated 1472. This document provides evidence of the presence of the SICHI family in the city of Venice during the 15th century.
In the 16th century, the SICHI name appeared in several historical records from the region of Tuscany. One notable figure from this period was Lorenzo SICHI, a renowned painter and fresco artist who lived from 1525 to 1598. His works can still be admired in several churches and palaces throughout Florence and its surrounding areas.
During the 17th century, the SICHI family expanded their presence to other parts of Italy, including the city of Naples. In 1643, a man named Domenico SICHI was mentioned in a legal document as a landowner in the outskirts of Naples. This record suggests that the SICHI surname had gained prominence and established itself among the landowning class in southern Italy.
As the centuries progressed, several notable individuals bearing the SICHI surname emerged in various fields. One such figure was Giulio SICHI, an influential philosopher and writer who lived from 1712 to 1795. His philosophical treatises on ethics and morality were widely studied and discussed during the Enlightenment period.
Another notable SICHI was Maria SICHI, a celebrated opera singer who graced the stages of some of the most prestigious theaters in Europe during the late 18th century. Born in 1768 in Milan, she gained widespread acclaim for her powerful soprano voice and her ability to evoke emotion through her performances.
In the 19th century, the SICHI name continued to gain prominence, with several individuals making significant contributions to various disciplines. One such individual was Antonio SICHI, a pioneering engineer who played a crucial role in the construction of the first railway system in Italy. He was born in 1802 in the city of Turin and is renowned for his innovative solutions and groundbreaking engineering techniques.
While the surname SICHI may not be as widely known as some other Italian surnames, it has left an indelible mark on the history and culture of Italy. From artists and philosophers to engineers and performers, the SICHI family has contributed to the rich tapestry of Italian heritage over the centuries.
Demographics
Among Census respondents with the surname Sichi, the largest self-reported group is White at 82.0%. The next largest groups are Hispanic (9.0%) and Asian/Pacific Islander (4.0%).
The bar chart below shows how Sichi 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 Sichi surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Sichi 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
-6 bearers (-5.7%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #153,769 | 106 | 0.04 | First available Census row | First available Census row |
| 2020 | #155,682 | 100 | 0.03 | -6 bearers (-5.7%) | Down 1,913 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 Sichi 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 | #153,769 | #155,682 | -1.2% |
| Count | 106 | 100 | -5.7% |
| Per 100K | 0.04 | 0.03 | -16.4% |
Between the 2010 and 2020 Census, the number of Sichi bearers went from 106 to 100 (-5.7% change). The surname moved down 1,913 positions in the national ranking, going from #153,769 to #155,682.
FAQ
Name Census estimates that about 115 living Americans carry the surname Sichi. Using the current population baseline, that works out to roughly 1 in 2,980,473 residents.
Sichi ranks #155,682 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 100 people with the surname Sichi. That is different from the site's living-bearer estimate (115), 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 Sichi.
Between 2010 and 2020, the surname Sichi went from 106 recorded bearers to 100. That is a decrease of 6 (-5.7%). In the national ranking it fell from #153,769 to #155,682.
Among Census respondents with the surname Sichi, the largest self-reported group is White at 82.0%. The next largest groups are Hispanic (9.0%) and Asian/Pacific Islander (4.0%). 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 Sichi in the 2020 Census, accounting for 82.0% (82 people in the source table).
Sichi appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (82.0%), Hispanic (9.0%), Asian/Pacific Islander (4.0%). 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.
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 Sichi (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 surname possibly derived from the Polish word "sieka" meaning "to cut" or "to chop". 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 Sichi (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 quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.