2000
#129,619
National surname rank
Recorded bearers 121
First available Census row
Per 100,000 0.04
Very Rare Last name
Yanchak
A surname of Ukrainian origin meaning "little bowl" or "small dish".
According to the 2020 US Census Bureau surname tables, roughly 125 Americans carry the last name Yanchak. That puts it at #150,205 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,742,035 residents).
This page is the full Name Census profile for the Yanchak 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
125
1 in 2,742,035
Census rank
#150,205
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
109
very rare in the US
Popularity narrative
The Census Bureau recorded 109 bearers of the surname Yanchak in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150205th position in the national surname ranking.
Among Census respondents with the surname Yanchak, the largest self-reported group is White at 98.2%. The next largest groups are Two or More Races (1.8%).
Origin
Meaning and origin of Yanchak
The surname Yanchak is of Eastern European origin, specifically tracing back to Ukraine. The time period of its origin is believed to be in the late medieval era, around the 15th to 16th century. It is primarily concentrated in the regions of Western Ukraine which have seen a mix of cultural influences due to migrations and historical events.
The name Yanchak is derived from Slavic roots. It is believed to come from the diminutive of the personal name Yan, which is the Slavic form of John. The suffix chak was a common diminutive ending in Slavic languages, indicating "son of" or "little," thus Yanchak roughly translates to "little John" or "son of John."
Historical references to the name Yanchak can be found in various church and municipal records. One of the earliest documented instances of the surname appears in the 17th century church registers in the Lviv Oblast, a region that was a vital cultural and political center in Ukraine.
A notable individual with the surname Yanchak was Petro Yanchak, born in 1782 and known for his contributions to local governance in what is now the Ivano-Frankivsk region. He played a significant role in the community, particularly in the reconstruction of local infrastructure following the Napoleonic Wars.
In the 19th century, another prominent figure was Andriy Yanchak, born in 1837. He was a well-respected educator and founder of a number of schools in rural settlements in the Carpathian Mountains, which were integral to the advancement of education in these remote areas.
During the tumultuous periods of the World Wars, Yanchak Yefim, born in 1895, emerged as a significant figure. He was a decorated officer in both the Ukrainian Galician Army during World War I and later in the Soviet Army during World War II. His dedication was recorded in military archives, highlighting his leadership and bravery.
In the mid-20th century, Mykola Yanchak, born in 1923, gained recognition as an artist. His works, deeply rooted in Ukrainian folklore and traditions, contributed to the preservation of the Ukrainian cultural heritage during the Soviet era. His paintings are still displayed in various Ukrainian art museums.
Another notable person was Ivan Yanchak, born in 1951, who became an influential figure in the revival of the Ukrainian language and culture post-Soviet Union. He was a prolific author, writing extensively on linguistic policies and advocating for the use of Ukrainian in educational and governmental institutions.
The surname Yanchak has a rich history deeply entwined with the cultural and socio-political developments of Ukraine. From its linguistic roots to its presence in various historical records, the name has been borne by individuals who have significantly contributed to their communities and fields.
Demographics
Ancestry and ethnicity for Yanchak
Among Census respondents with the surname Yanchak, the largest self-reported group is White at 98.2%. The next largest groups are Two or More Races (1.8%).
The bar chart below shows how Yanchak 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 Yanchak surname at the time of the 2020 Census, not any inherent property of the name itself.
- White98.2% · 107
- Two or more races1.8% · 2
Timeline
Historical Census data for Yanchak
Yanchak 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
#141,140
National surname rank
Recorded bearers 118
-3 bearers (-2.5%)
Per 100,000 0.04
Rank movement Down 11,521 places
2020
#150,205
National surname rank
Recorded bearers 109
-9 bearers (-7.6%)
Per 100,000 0.04
Rank movement Down 9,065 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #129,619 | 121 | 0.04 | First available Census row | First available Census row |
| 2010 | #141,140 | 118 | 0.04 | -3 bearers (-2.5%) | Down 11,521 places |
| 2020 | #150,205 | 109 | 0.04 | -9 bearers (-7.6%) | Down 9,065 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 Yanchak 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 | #141,140 | #150,205 | -6.4% |
| Count | 118 | 109 | -7.6% |
| Per 100K | 0.04 | 0.04 | -8.8% |
Between the 2010 and 2020 Census, the number of Yanchak bearers went from 118 to 109 (-7.6% change). The surname moved down 9,065 positions in the national ranking, going from #141,140 to #150,205.
FAQ
Yanchak surname: questions and answers
How many people in the U.S. have the surname Yanchak?
Name Census estimates that about 125 living Americans carry the surname Yanchak. Using the current population baseline, that works out to roughly 1 in 2,742,035 residents.
How common is Yanchak?
Yanchak ranks #150,205 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 109 people with the surname Yanchak. That is different from the site's living-bearer estimate (125), 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 Yanchak.
Has Yanchak become more or less common over time?
Between 2010 and 2020, the surname Yanchak went from 118 recorded bearers to 109. That is a decrease of 9 (-7.6%). In the national ranking it fell from #141,140 to #150,205.
What does the Census say about the background of Yanchak?
Among Census respondents with the surname Yanchak, the largest self-reported group is White at 98.2%. The next largest groups are 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 Yanchak in the 2020 Census, accounting for 98.2% (107 people in the source table).
What is the full ancestry breakdown?
Yanchak appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (98.2%), 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 Yanchak (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 Yanchak mean?
A surname of Ukrainian origin meaning "little bowl" or "small dish". 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 Yanchak (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 have the last name Yanchak?
Find out how many people have the surname Yanchak on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.