2010
#123,064
National surname rank
Recorded bearers 140
First available Census row
Per 100,000 0.05
Very Rare Last name
Gerasimchuk
A surname derived from a variant of the Slavic given name Gerasim, meaning "venerable" or "esteemed".
According to the 2020 US Census Bureau surname tables, roughly 173 Americans carry the last name Gerasimchuk. That puts it at #120,768 in the national surname ranking, appearing at a frequency of 0.05 per 100,000 people (about 1 in 1,981,239 residents).
This page is the full Name Census profile for the Gerasimchuk 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
173
1 in 1,981,239
Census rank
#120,768
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
151
very rare in the US
Popularity narrative
The Census Bureau recorded 151 bearers of the surname Gerasimchuk in its 2020 decennial surname file. At a rate of 0.05 per 100,000 residents, it holds the 120768th position in the national surname ranking.
Among Census respondents with the surname Gerasimchuk, the largest self-reported group is White at 99.3%. The next largest groups are Black (0.7%).
Origin
Meaning and origin of Gerasimchuk
The surname Gerasimchuk has its origins in Ukraine and Belarus, tracing back to the late 16th century. It is derived from the Russian given name Gerasim, which itself is a variant of the Greek name Gerasimos, meaning "venerable" or "revered".
The name Gerasimchuk is a patronymic, meaning it was originally formed by adding the possessive suffix "-chuk" to the name Gerasim, indicating "son of Gerasim". This naming convention was common in Eastern Slavic countries during that era.
One of the earliest recorded instances of the name Gerasimchuk can be found in a census record from the town of Chernihiv in modern-day Ukraine, dated 1592. The record lists a certain Andrei Gerasimchuk, a landowner and farmer.
Another notable early bearer of the name was Ivan Gerasimchuk, a Cossack cavalry officer who fought against the Polish-Lithuanian Commonwealth in the Khmelnytsky Uprising of 1648-1657. He was known for his bravery and leadership on the battlefield.
In the 18th century, the name Gerasimchuk appeared in various church records and land registries across the regions of Volhynia and Podolia, which were then part of the Polish-Lithuanian Commonwealth and are now split between Ukraine and Belarus.
One of the most prominent figures with the surname Gerasimchuk was Hryhoriy Gerasimchuk (1823-1907), a Ukrainian writer and ethnographer who played a significant role in preserving and documenting the folklore and traditions of his native Podolia region.
Another notable Gerasimchuk was Mariya Gerasimchuk (1878-1924), a Belarusian activist and one of the first women to be elected to the All-Belarusian Congress in 1917, which sought to establish an independent Belarusian state.
In the 20th century, Oleksandr Gerasimchuk (1908-1994) was a prominent Ukrainian Soviet writer and playwright, best known for his historical novels and plays depicting the lives of ordinary people during times of great upheaval.
Demographics
Ancestry and ethnicity for Gerasimchuk
Among Census respondents with the surname Gerasimchuk, the largest self-reported group is White at 99.3%. The next largest groups are Black (0.7%).
The bar chart below shows how Gerasimchuk 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 Gerasimchuk surname at the time of the 2020 Census, not any inherent property of the name itself.
- White99.3% · 150
- Black or African American0.7% · 1
Timeline
Historical Census data for Gerasimchuk
Gerasimchuk 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.
2020
#120,768
National surname rank
Recorded bearers 151
+11 bearers (+7.9%)
Per 100,000 0.05
Rank movement Up 2,296 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #123,064 | 140 | 0.05 | First available Census row | First available Census row |
| 2020 | #120,768 | 151 | 0.05 | +11 bearers (+7.9%) | Up 2,296 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 Gerasimchuk 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 | #123,064 | #120,768 | 1.9% |
| Count | 140 | 151 | 7.9% |
| Per 100K | 0.05 | 0.05 | 1.0% |
Between the 2010 and 2020 Census, the number of Gerasimchuk bearers went from 140 to 151 (+7.9% change). The surname moved up 2,296 positions in the national ranking, going from #123,064 to #120,768.
FAQ
Gerasimchuk surname: questions and answers
How many people in the U.S. have the surname Gerasimchuk?
Name Census estimates that about 173 living Americans carry the surname Gerasimchuk. Using the current population baseline, that works out to roughly 1 in 1,981,239 residents.
How common is Gerasimchuk?
Gerasimchuk ranks #120,768 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.05 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 151 people with the surname Gerasimchuk. That is different from the site's living-bearer estimate (173), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.05 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.05 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 Gerasimchuk.
Has Gerasimchuk become more or less common over time?
Between 2010 and 2020, the surname Gerasimchuk went from 140 recorded bearers to 151. That is an increase of 11 (+7.9%). In the national ranking it rose from #123,064 to #120,768.
What does the Census say about the background of Gerasimchuk?
Among Census respondents with the surname Gerasimchuk, the largest self-reported group is White at 99.3%. The next largest groups are Black (0.7%). 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 Gerasimchuk in the 2020 Census, accounting for 99.3% (150 people in the source table).
What is the full ancestry breakdown?
Gerasimchuk appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (99.3%), Black (0.7%). 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 Gerasimchuk (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 Gerasimchuk mean?
A surname derived from a variant of the Slavic given name Gerasim, meaning "venerable" or "esteemed". 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 Gerasimchuk (0.05 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 Gerasimchuk?
If you just want to know how many people are called Gerasimchuk, HowManyOfMe.org gives you the headline number in one glance.