2000
#106,477
National surname rank
Recorded bearers 155
First available Census row
Per 100,000 0.06
Very Rare Last name
Sirchia
An Italian surname derived from the Greek word "siriko," meaning silk.
According to the 2020 US Census Bureau surname tables, roughly 132 Americans carry the last name Sirchia. That puts it at #145,757 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,596,624 residents).
This page is the full Name Census profile for the Sirchia 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
132
1 in 2,596,624
Census rank
#145,757
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
115
very rare in the US
Popularity narrative
The Census Bureau recorded 115 bearers of the surname Sirchia in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 145757th position in the national surname ranking.
Among Census respondents with the surname Sirchia, the largest self-reported group is White at 93.9%. The next largest groups are Hispanic (4.3%) and Asian/Pacific Islander (0.9%).
Origin
Meaning and origin of Sirchia
The surname Sirchia has its roots in Italy, tracing back to the 14th century. It originated in the region of Lombardy, particularly in the town of Sirchia, located near the city of Pavia. The name itself is derived from the Latin word "sirica," meaning silk, suggesting that the earliest bearers of this surname may have been involved in the silk trade.
One of the earliest recorded mentions of the Sirchia name can be found in a document from the Duchy of Milan, dated 1378. This document references a certain Giovanni Sirchia, a merchant dealing in silk and other fine fabrics. It is possible that Giovanni was among the first to adopt the surname, which was then passed down through generations.
In the 15th century, the Sirchia family gained prominence in Pavia, with several members holding influential positions within the city's government. Historical records from this period include references to a Matteo Sirchia, who served as a magistrate in Pavia in 1437. Another notable figure was Bianca Sirchia, a noblewoman born in 1482, who was renowned for her patronage of the arts and her involvement in local charities.
As the Sirchia family expanded and dispersed throughout Italy, the name underwent various spelling variations. Some of the earliest documented forms include Sirchia, Sircia, and Sirchya. These variations can be traced back to various regions, including Tuscany, Emilia-Romagna, and Piedmont.
In the 16th century, the Sirchia name gained further recognition with the birth of Antonio Sirchia (1521-1589), a renowned scholar and humanist. Antonio's contributions to the fields of literature and philosophy earned him a place among the intellectual elite of his time, and his works were widely read throughout Europe.
Another notable figure bearing the Sirchia name was Giulio Sirchia (1609-1677), a renowned architect and engineer. Giulio was responsible for the design and construction of several churches and public buildings in Milan, including the Church of San Fedele and the Palazzo dei Giureconsulti.
In the 18th century, the Sirchia family continued to flourish, with several members achieving success in various fields. One such individual was Francesco Sirchia (1732-1808), a celebrated painter and fresco artist whose works adorned numerous churches and palaces throughout northern Italy.
As time progressed, the Sirchia name spread beyond Italy, with descendants settling in various parts of Europe and the Americas. However, the name's Italian roots and association with the silk trade and artistic pursuits remained a central part of its history and legacy.
Demographics
Ancestry and ethnicity for Sirchia
Among Census respondents with the surname Sirchia, the largest self-reported group is White at 93.9%. The next largest groups are Hispanic (4.3%) and Asian/Pacific Islander (0.9%).
The bar chart below shows how Sirchia 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 Sirchia surname at the time of the 2020 Census, not any inherent property of the name itself.
- White93.9% · 108
- Hispanic or Latino4.3% · 5
- Asian and Pacific Islander0.9% · 1
- Two or more races0.9% · 1
Timeline
Historical Census data for Sirchia
Sirchia 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
#126,765
National surname rank
Recorded bearers 135
-20 bearers (-12.9%)
Per 100,000 0.05
Rank movement Down 20,288 places
2020
#145,757
National surname rank
Recorded bearers 115
-20 bearers (-14.8%)
Per 100,000 0.04
Rank movement Down 18,992 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #106,477 | 155 | 0.06 | First available Census row | First available Census row |
| 2010 | #126,765 | 135 | 0.05 | -20 bearers (-12.9%) | Down 20,288 places |
| 2020 | #145,757 | 115 | 0.04 | -20 bearers (-14.8%) | Down 18,992 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 Sirchia 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 | #126,765 | #145,757 | -15.0% |
| Count | 135 | 115 | -14.8% |
| Per 100K | 0.05 | 0.04 | -23.1% |
Between the 2010 and 2020 Census, the number of Sirchia bearers went from 135 to 115 (-14.8% change). The surname moved down 18,992 positions in the national ranking, going from #126,765 to #145,757.
FAQ
Sirchia surname: questions and answers
How many people in the U.S. have the surname Sirchia?
Name Census estimates that about 132 living Americans carry the surname Sirchia. Using the current population baseline, that works out to roughly 1 in 2,596,624 residents.
How common is Sirchia?
Sirchia ranks #145,757 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 115 people with the surname Sirchia. That is different from the site's living-bearer estimate (132), 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 Sirchia.
Has Sirchia become more or less common over time?
Between 2010 and 2020, the surname Sirchia went from 135 recorded bearers to 115. That is a decrease of 20 (-14.8%). In the national ranking it fell from #126,765 to #145,757.
What does the Census say about the background of Sirchia?
Among Census respondents with the surname Sirchia, the largest self-reported group is White at 93.9%. The next largest groups are Hispanic (4.3%) and Asian/Pacific Islander (0.9%). 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 Sirchia in the 2020 Census, accounting for 93.9% (108 people in the source table).
What is the full ancestry breakdown?
Sirchia appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.9%), Hispanic (4.3%), Asian/Pacific Islander (0.9%). 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 Sirchia (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 Sirchia mean?
An Italian surname derived from the Greek word "siriko," meaning silk. 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 Sirchia (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 last name Sirchia?
See how many people have the surname Sirchia on HowManyOfMe.org, our sister site built around that single question.