2000
#136,783
National surname rank
Recorded bearers 113
First available Census row
Per 100,000 0.04
Very Rare Last name
Silvasy
From the Spanish "silva" meaning forest, likely denoting a family of woodsmen or foresters.
According to the 2020 US Census Bureau surname tables, roughly 117 Americans carry the last name Silvasy. 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 Silvasy 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 Silvasy 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 Silvasy, the largest self-reported group is White at 90.2%. The next largest groups are Two or More Races (3.9%) and Black (2.0%).
Origin
Meaning and origin of Silvasy
The surname SILVASY is believed to have originated from the Czech Republic, particularly in the region of Bohemia, during the late 16th century. It is thought to be derived from the Czech word "sylva," which translates to "forest" or "woodland," suggesting that the name may have been associated with individuals who resided near or worked in forested areas.
One of the earliest recorded instances of the name SILVASY can be traced back to a document from the year 1587, where a certain Jan SILVASY was listed as a landowner in the town of Olomouc. This document provides evidence of the name's existence and use during that time period.
In the 17th century, the name SILVASY appeared in several church records and official registers throughout various villages and towns in Bohemia. One notable mention is found in the baptismal records of the town of Cesky Krumlov, where a child named Katerina SILVASY was born in 1642 to parents Vaclav and Anna SILVASY.
The name SILVASY has also been linked to several historical figures over the centuries. In the late 18th century, a prominent Czech painter and engraver named Frantisek SILVASY (1751-1817) gained recognition for his works depicting landscapes and religious scenes.
Another notable figure was Karel SILVASY (1803-1879), a Czech writer and philosopher who authored several influential books on ethics and morality during the 19th century.
In the early 20th century, a Czech mathematician named Jaroslav SILVASY (1892-1968) made significant contributions to the field of number theory and published numerous papers on various mathematical concepts.
It is worth mentioning that variations of the name SILVASY have existed over time, such as Sylvasy, Sylvasi, and Silvasi, which may have been influenced by regional dialects or spelling preferences.
While the surname SILVASY is not among the most common Czech surnames, it has a rich history deeply rooted in the cultural and linguistic traditions of Bohemia, with records dating back several centuries and notable individuals who have carried the name throughout various periods.
Demographics
Ancestry and ethnicity for Silvasy
Among Census respondents with the surname Silvasy, the largest self-reported group is White at 90.2%. The next largest groups are Two or More Races (3.9%) and Black (2.0%).
The bar chart below shows how Silvasy 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 Silvasy surname at the time of the 2020 Census, not any inherent property of the name itself.
- White90.2% · 92
- Two or more races3.9% · 4
- Black or African American2.0% · 2
- Asian and Pacific Islander2.0% · 2
- American Indian and Alaska Native2.0% · 2
Timeline
Historical Census data for Silvasy
Silvasy 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
#152,628
National surname rank
Recorded bearers 107
-6 bearers (-5.3%)
Per 100,000 0.04
Rank movement Down 15,845 places
2020
#154,755
National surname rank
Recorded bearers 102
-5 bearers (-4.7%)
Per 100,000 0.03
Rank movement Down 2,127 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #136,783 | 113 | 0.04 | First available Census row | First available Census row |
| 2010 | #152,628 | 107 | 0.04 | -6 bearers (-5.3%) | Down 15,845 places |
| 2020 | #154,755 | 102 | 0.03 | -5 bearers (-4.7%) | Down 2,127 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 Silvasy 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 | #152,628 | #154,755 | -1.4% |
| Count | 107 | 102 | -4.7% |
| Per 100K | 0.04 | 0.03 | -14.7% |
Between the 2010 and 2020 Census, the number of Silvasy bearers went from 107 to 102 (-4.7% change). The surname moved down 2,127 positions in the national ranking, going from #152,628 to #154,755.
FAQ
Silvasy surname: questions and answers
How many people in the U.S. have the surname Silvasy?
Name Census estimates that about 117 living Americans carry the surname Silvasy. Using the current population baseline, that works out to roughly 1 in 2,929,524 residents.
How common is Silvasy?
Silvasy 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.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 102 people with the surname Silvasy. 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.
What does 0.03 per 100,000 actually mean?
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 Silvasy.
Has Silvasy become more or less common over time?
Between 2010 and 2020, the surname Silvasy went from 107 recorded bearers to 102. That is a decrease of 5 (-4.7%). In the national ranking it fell from #152,628 to #154,755.
What does the Census say about the background of Silvasy?
Among Census respondents with the surname Silvasy, the largest self-reported group is White at 90.2%. The next largest groups are Two or More Races (3.9%) and Black (2.0%). 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 Silvasy in the 2020 Census, accounting for 90.2% (92 people in the source table).
What is the full ancestry breakdown?
Silvasy appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.2%), Two or More Races (3.9%), Black (2.0%). 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.
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 Silvasy (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 Silvasy mean?
From the Spanish "silva" meaning forest, likely denoting a family of woodsmen or foresters. 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 Silvasy (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.
How many people have the last name Silvasy?
Our sister site HowManyOfMe.org answers how common the surname Silvasy is at a glance, with the living-bearer count up front.