2010
#159,712
National surname rank
Recorded bearers 101
First available Census row
Per 100,000 0.03
Very Rare Last name
Korneychuk
A surname possibly of Ukrainian origin meaning "son of the miller".
According to the 2020 US Census Bureau surname tables, roughly 119 Americans carry the last name Korneychuk. That puts it at #153,590 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,880,289 residents).
This page is the full Name Census profile for the Korneychuk 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
119
1 in 2,880,289
Census rank
#153,590
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
104
very rare in the US
Popularity narrative
The Census Bureau recorded 104 bearers of the surname Korneychuk in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 153590th position in the national surname ranking.
Among Census respondents with the surname Korneychuk, the largest self-reported group is White at 93.3%. The next largest groups are Hispanic (5.8%) and Two or More Races (1.0%).
Origin
Meaning and origin of Korneychuk
The surname Korneychuk has its origins in Ukraine and is a Slavic name. It likely originated in the late 16th or early 17th century and is derived from the Ukrainian word "korney," which means "root." The suffix "-chuk" is a common Ukrainian patronymic ending, indicating that the name refers to the son of someone named Korney.
The earliest recorded instances of the name Korneychuk can be found in Ukrainian church records from the 17th and 18th centuries. One of the earliest known bearers of the name was Ivan Korneychuk, a Cossack officer who served in the Ukrainian Cossack Host in the late 17th century.
In the 19th century, the name Korneychuk appeared in various historical records, such as census documents and land registers, in the regions of Kyiv, Poltava, and Chernihiv in central Ukraine. Some of the places associated with the name include the villages of Korneyevka and Korneychukivka, which likely took their names from early Korneychuk settlers.
One notable bearer of the name was Oleksandr Korneychuk (1905-1972), a Ukrainian Soviet playwright and screenwriter. He is best known for his plays "The Platoon Commands the Battery" and "The Front," which portrayed the heroism of the Soviet people during World War II.
Another individual of note was Mykola Korneychuk (1856-1919), a Ukrainian historian and ethnographer who studied the culture and traditions of the Ukrainian people. His work helped preserve and document the rich heritage of Ukraine.
In the early 20th century, Yevhen Korneychuk (1890-1937) was a prominent Ukrainian politician and statesman. He served as the Chairman of the Central Executive Committee of the Ukrainian Soviet Socialist Republic from 1924 to 1925.
Throughout history, the surname Korneychuk has been closely associated with Ukraine and its cultural and political heritage. While the name has spread to other parts of the world due to migration, its roots remain firmly planted in the fertile soil of Ukrainian history and tradition.
Demographics
Ancestry and ethnicity for Korneychuk
Among Census respondents with the surname Korneychuk, the largest self-reported group is White at 93.3%. The next largest groups are Hispanic (5.8%) and Two or More Races (1.0%).
The bar chart below shows how Korneychuk 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 Korneychuk surname at the time of the 2020 Census, not any inherent property of the name itself.
- White93.3% · 97
- Hispanic or Latino5.8% · 6
- Two or more races1.0% · 1
Timeline
Historical Census data for Korneychuk
Korneychuk 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
#153,590
National surname rank
Recorded bearers 104
+3 bearers (+3.0%)
Per 100,000 0.03
Rank movement Up 6,122 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #159,712 | 101 | 0.03 | First available Census row | First available Census row |
| 2020 | #153,590 | 104 | 0.03 | +3 bearers (+3.0%) | Up 6,122 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 Korneychuk 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 | #159,712 | #153,590 | 3.8% |
| Count | 101 | 104 | 3.0% |
| Per 100K | 0.03 | 0.03 | 16.0% |
Between the 2010 and 2020 Census, the number of Korneychuk bearers went from 101 to 104 (+3.0% change). The surname moved up 6,122 positions in the national ranking, going from #159,712 to #153,590.
FAQ
Korneychuk surname: questions and answers
How many people in the U.S. have the surname Korneychuk?
Name Census estimates that about 119 living Americans carry the surname Korneychuk. Using the current population baseline, that works out to roughly 1 in 2,880,289 residents.
How common is Korneychuk?
Korneychuk ranks #153,590 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 104 people with the surname Korneychuk. That is different from the site's living-bearer estimate (119), 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 Korneychuk.
Has Korneychuk become more or less common over time?
Between 2010 and 2020, the surname Korneychuk went from 101 recorded bearers to 104. That is an increase of 3 (+3.0%). In the national ranking it rose from #159,712 to #153,590.
What does the Census say about the background of Korneychuk?
Among Census respondents with the surname Korneychuk, the largest self-reported group is White at 93.3%. The next largest groups are Hispanic (5.8%) and Two or More Races (1.0%). 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 Korneychuk in the 2020 Census, accounting for 93.3% (97 people in the source table).
What is the full ancestry breakdown?
Korneychuk appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.3%), Hispanic (5.8%), Two or More Races (1.0%). 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 Korneychuk (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 Korneychuk mean?
A surname possibly of Ukrainian origin meaning "son of the miller". 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 Korneychuk (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 Korneychuk?
For a quick modern take, check how many people have the last name Korneychuk on our sister site HowManyOfMe.org.