2000
#126,400
National surname rank
Recorded bearers 125
First available Census row
Per 100,000 0.05
Very Rare Last name
Worosz
A surname of Slavic origin, possibly derived from words related to crows or ravens.
According to the 2020 US Census Bureau surname tables, roughly 139 Americans carry the last name Worosz. That puts it at #141,309 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,465,859 residents).
This page is the full Name Census profile for the Worosz 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
139
1 in 2,465,859
Census rank
#141,309
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
121
very rare in the US
Popularity narrative
The Census Bureau recorded 121 bearers of the surname Worosz in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 141309th position in the national surname ranking.
Among Census respondents with the surname Worosz, the largest self-reported group is White at 98.3%. The next largest groups are Hispanic (0.8%) and Two or More Races (0.8%).
Origin
Meaning and origin of Worosz
The surname Worosz has its origins in Central Europe, specifically within regions that today encompass Poland and Ukraine. The time period during which this surname started to appear can be traced back to the late Middle Ages, around the 14th and 15th centuries. The areas primarily associated with the name are rural and semi-rural localities, often characterized by small communities and agrarian lifestyles.
Worosz is derived from old Slavic roots, specifically the word "vor," which often meant 'thief' or 'robber.' Over time, the name took on various connotations, including attributes related to cunning or cleverness. The transformation from 'vor' to Worosz indicates a phonetic evolution influenced by local dialects and linguistic shifts in the region.
The earliest recorded instance of the surname Worosz can be found in the parish registers of Podkarpacie in Poland, dating back to 1523. These records mention a Jan Worosz, a local farmer who was listed as a landowner in the village of Rzeszów. The spelling and pronunciation of surnames during that era were not standardized, leading to variations such as Woroz and Woros.
Another historical figure bearing the surname was Marcin Worosz, born in 1589 in Lwów (present-day Lviv, Ukraine). He was a notable scribe who worked for the local magistrate and helped document several legal charters that remain preserved in the Lviv Historical Archives. His meticulous records have provided valuable insights into the administrative history of the region during the late Renaissance period.
Towards the 17th century, the name appears in Lithuanian texts as well, suggesting migration or intermarriage. A record from 1645 mentions Katarzyna Worosz, a midwife in Vilnius, who was well-regarded for her skills and was often called upon by noble families during childbirth.
In the 18th century, a Stanisław Worosz, born in 1720, became a minor noble (szlachcic) in the Polish-Lithuanian Commonwealth. His name appears in several land grants and military lists. As a member of the lesser nobility, Stanisław fought in the wars against the Ottoman Empire and his bravery was documented in several military dispatches.
Another significant individual with the surname was Michał Worosz, an 18th-century scholar born in 1753 in Kraków. He was known for his contributions to early Slavic linguistics and was a professor at Jagiellonian University. His writings and translations helped pave the way for the study of Slavic languages and their influences on each other.
The surname Worosz has thus occupied a peculiar but significant place in the history of Central and Eastern Europe. It has been carried by people of various professions and statures, from farmers and scribes to minor nobility and scholars. The evolution of its meaning and the spread across regions reflect a deep intertwining of local cultures, linguistic developments, and historical circumstances.
Demographics
Ancestry and ethnicity for Worosz
Among Census respondents with the surname Worosz, the largest self-reported group is White at 98.3%. The next largest groups are Hispanic (0.8%) and Two or More Races (0.8%).
The bar chart below shows how Worosz 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 Worosz surname at the time of the 2020 Census, not any inherent property of the name itself.
- White98.3% · 119
- Hispanic or Latino0.8% · 1
- Two or more races0.8% · 1
Timeline
Historical Census data for Worosz
Worosz 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
#132,206
National surname rank
Recorded bearers 128
+3 bearers (+2.4%)
Per 100,000 0.04
Rank movement Down 5,806 places
2020
#141,309
National surname rank
Recorded bearers 121
-7 bearers (-5.5%)
Per 100,000 0.04
Rank movement Down 9,103 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #126,400 | 125 | 0.05 | First available Census row | First available Census row |
| 2010 | #132,206 | 128 | 0.04 | +3 bearers (+2.4%) | Down 5,806 places |
| 2020 | #141,309 | 121 | 0.04 | -7 bearers (-5.5%) | Down 9,103 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 Worosz 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 | #132,206 | #141,309 | -6.9% |
| Count | 128 | 121 | -5.5% |
| Per 100K | 0.04 | 0.04 | 1.2% |
Between the 2010 and 2020 Census, the number of Worosz bearers went from 128 to 121 (-5.5% change). The surname moved down 9,103 positions in the national ranking, going from #132,206 to #141,309.
FAQ
Worosz surname: questions and answers
How many people in the U.S. have the surname Worosz?
Name Census estimates that about 139 living Americans carry the surname Worosz. Using the current population baseline, that works out to roughly 1 in 2,465,859 residents.
How common is Worosz?
Worosz ranks #141,309 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 121 people with the surname Worosz. That is different from the site's living-bearer estimate (139), 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 Worosz.
Has Worosz become more or less common over time?
Between 2010 and 2020, the surname Worosz went from 128 recorded bearers to 121. That is a decrease of 7 (-5.5%). In the national ranking it fell from #132,206 to #141,309.
What does the Census say about the background of Worosz?
Among Census respondents with the surname Worosz, the largest self-reported group is White at 98.3%. The next largest groups are Hispanic (0.8%) and Two or More Races (0.8%). 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 Worosz in the 2020 Census, accounting for 98.3% (119 people in the source table).
What is the full ancestry breakdown?
Worosz appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (98.3%), Hispanic (0.8%), Two or More Races (0.8%). 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.
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 Worosz (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 Worosz mean?
A surname of Slavic origin, possibly derived from words related to crows or ravens. 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 Worosz (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 share the surname Worosz?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.