2000
#128,797
National surname rank
Recorded bearers 122
First available Census row
Per 100,000 0.05
Very Rare Last name
Wasiluk
A Polish surname derived from a diminutive form of the given name Vasily or Vasil.
According to the 2020 US Census Bureau surname tables, roughly 128 Americans carry the last name Wasiluk. That puts it at #147,954 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,677,768 residents).
This page is the full Name Census profile for the Wasiluk 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
128
1 in 2,677,768
Census rank
#147,954
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
112
very rare in the US
Popularity narrative
The Census Bureau recorded 112 bearers of the surname Wasiluk in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 147954th position in the national surname ranking.
Among Census respondents with the surname Wasiluk, the largest self-reported group is White at 94.6%. The next largest groups are Hispanic (2.7%) and Two or More Races (1.8%).
Origin
Meaning and origin of Wasiluk
The surname WASILUK has its origins in the Eastern European region, specifically in modern-day Poland and Ukraine. It is believed to have emerged during the medieval period, around the 12th to 14th centuries.
WASILUK is derived from the Slavic root "Vasil," which is a variant of the name Basil or Basileios, meaning "kingly" or "regal" in Greek. This root name was commonly used in Eastern Orthodox Christian communities and was particularly popular in regions influenced by Byzantine culture.
One of the earliest recorded instances of the WASILUK surname can be found in the Polish town of Krakow, where a merchant named Jan WASILUK was mentioned in a tax record from the year 1432. This suggests that the name was already established in the region during the 15th century.
The name WASILUK is closely associated with the Ukrainian region of Galicia, which was once part of the Polish-Lithuanian Commonwealth. In the 16th century, a prominent family bearing the WASILUK name owned land and estates in the town of Lviv (then known as Lemberg).
In the 17th century, a notable figure named Andrii WASILUK was a prominent Cossack leader who played a role in the Khmelnytsky Uprising against Polish rule in Ukraine. He was born around 1620 and died in battle in 1651.
During the 18th century, the WASILUK surname can be found in various records and manuscripts from the Russian Empire, which had annexed parts of modern-day Ukraine and Belarus. One example is Hryhorii WASILUK, a scholar and linguist born in 1728 in the town of Zhytomyr, who contributed to the study of Slavic languages.
In the 19th century, a notable figure bearing the WASILUK name was Maksym WASILUK, a Ukrainian writer and poet who was born in 1831 in the village of Koropets, near the city of Ternopil. He is remembered for his works that celebrated Ukrainian culture and traditions.
Another significant figure from this period was Volodymyr WASILUK, a Ukrainian-born engineer who played a crucial role in the construction of the Trans-Siberian Railway in Russia. He was born in 1848 in the town of Khmelnitsky and oversaw the construction of several important railway bridges and tunnels.
It is important to note that historical records and spellings of surnames can vary due to differences in language, regional dialects, and transcription practices over time. However, the WASILUK surname has maintained a strong presence in Eastern European regions, particularly in Ukraine and parts of Poland.
Demographics
Ancestry and ethnicity for Wasiluk
Among Census respondents with the surname Wasiluk, the largest self-reported group is White at 94.6%. The next largest groups are Hispanic (2.7%) and Two or More Races (1.8%).
The bar chart below shows how Wasiluk 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 Wasiluk surname at the time of the 2020 Census, not any inherent property of the name itself.
- White94.6% · 106
- Hispanic or Latino2.7% · 3
- Two or more races1.8% · 2
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Wasiluk
Wasiluk 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
#137,327
National surname rank
Recorded bearers 122
+0 bearers (+0.0%)
Per 100,000 0.04
Rank movement Down 8,530 places
2020
#147,954
National surname rank
Recorded bearers 112
-10 bearers (-8.2%)
Per 100,000 0.04
Rank movement Down 10,627 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #128,797 | 122 | 0.05 | First available Census row | First available Census row |
| 2010 | #137,327 | 122 | 0.04 | +0 bearers (+0.0%) | Down 8,530 places |
| 2020 | #147,954 | 112 | 0.04 | -10 bearers (-8.2%) | Down 10,627 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 Wasiluk 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 | #137,327 | #147,954 | -7.7% |
| Count | 122 | 112 | -8.2% |
| Per 100K | 0.04 | 0.04 | -6.3% |
Between the 2010 and 2020 Census, the number of Wasiluk bearers went from 122 to 112 (-8.2% change). The surname moved down 10,627 positions in the national ranking, going from #137,327 to #147,954.
FAQ
Wasiluk surname: questions and answers
How many people in the U.S. have the surname Wasiluk?
Name Census estimates that about 128 living Americans carry the surname Wasiluk. Using the current population baseline, that works out to roughly 1 in 2,677,768 residents.
How common is Wasiluk?
Wasiluk ranks #147,954 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 112 people with the surname Wasiluk. That is different from the site's living-bearer estimate (128), 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 Wasiluk.
Has Wasiluk become more or less common over time?
Between 2010 and 2020, the surname Wasiluk went from 122 recorded bearers to 112. That is a decrease of 10 (-8.2%). In the national ranking it fell from #137,327 to #147,954.
What does the Census say about the background of Wasiluk?
Among Census respondents with the surname Wasiluk, the largest self-reported group is White at 94.6%. The next largest groups are Hispanic (2.7%) and Two or More Races (1.8%). 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 Wasiluk in the 2020 Census, accounting for 94.6% (106 people in the source table).
What is the full ancestry breakdown?
Wasiluk appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.6%), Hispanic (2.7%), Two or More Races (1.8%). 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 Wasiluk (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 Wasiluk mean?
A Polish surname derived from a diminutive form of the given name Vasily or Vasil. 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 Wasiluk (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 Americans have the surname Wasiluk?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.