2000
#144,908
National surname rank
Recorded bearers 105
First available Census row
Per 100,000 0.04
Very Rare Last name
Sunyak
A Ukrainian surname derived from the dialectal noun "sunyak", meaning "marten" or "weasel".
According to the 2020 US Census Bureau surname tables, roughly 117 Americans carry the last name Sunyak. That puts it at #154,755 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,929,524 residents).
This page is the full Name Census profile for the Sunyak 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
117
1 in 2,929,524
Census rank
#154,755
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
102
very rare in the US
Popularity narrative
The Census Bureau recorded 102 bearers of the surname Sunyak in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 154755th position in the national surname ranking.
Among Census respondents with the surname Sunyak, the largest self-reported group is White at 100.0%.
Origin
Meaning and origin of Sunyak
The surname SUNYAK is believed to have originated in the region of Ruthenia, which is now part of modern-day Ukraine. It dates back to the 15th century and is thought to be derived from the Old Ruthenian word "suny," meaning "sleep" or "dream." This suggests that the name may have been given to someone who was known for sleeping excessively or had a tendency to daydream.
One of the earliest recorded instances of the name SUNYAK can be found in a document from the city of Lviv, dated 1487. The document mentions a man named Petro SUNYAK, who was a merchant trading in grains and spices. This provides evidence that the name was in use during the late medieval period in the region.
In the 16th century, the SUNYAK name appears to have spread to other parts of Eastern Europe, including Poland and Belarus. A notable figure from this time was Andrii SUNYAK, a Ukrainian Cossack who fought against the Polish-Lithuanian Commonwealth in the mid-1600s. He was renowned for his bravery and military tactics.
The 18th century saw the emergence of a prominent SUNYAK family in the town of Khotyn, located in modern-day Ukraine. This family produced several notable figures, including Hryhorii SUNYAK, a renowned scholar and philosopher born in 1732. His works on ethics and social theory were widely studied in universities across Eastern Europe.
Another notable figure was Mariya SUNYAK, born in 1805 in the village of Kozelets, Ukraine. She was a respected folk artist and embroiderer, known for her intricate and vibrant designs. Her works were showcased in various exhibitions and are now preserved in museums as examples of traditional Ukrainian folk art.
In the late 19th century, the SUNYAK name gained recognition in the field of literature. Ivan SUNYAK, born in 1868 in the city of Lviv, was a celebrated Ukrainian writer and poet. His works explored themes of national identity, cultural heritage, and the struggles of the Ukrainian people under foreign rule.
While the SUNYAK name has its roots in Eastern Europe, it has since spread to other parts of the world due to migration and immigration. However, its origins can be traced back to the historic region of Ruthenia, where it emerged as a surname derived from the Old Ruthenian language.
Demographics
Ancestry and ethnicity for Sunyak
Among Census respondents with the surname Sunyak, the largest self-reported group is White at 100.0%.
The bar chart below shows how Sunyak 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 Sunyak surname at the time of the 2020 Census, not any inherent property of the name itself.
- White100.0% · 102
Timeline
Historical Census data for Sunyak
Sunyak 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
#157,234
National surname rank
Recorded bearers 103
-2 bearers (-1.9%)
Per 100,000 0.03
Rank movement Down 12,326 places
2020
#154,755
National surname rank
Recorded bearers 102
-1 bearers (-1.0%)
Per 100,000 0.03
Rank movement Up 2,479 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #144,908 | 105 | 0.04 | First available Census row | First available Census row |
| 2010 | #157,234 | 103 | 0.03 | -2 bearers (-1.9%) | Down 12,326 places |
| 2020 | #154,755 | 102 | 0.03 | -1 bearers (-1.0%) | Up 2,479 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 Sunyak 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 | #157,234 | #154,755 | 1.6% |
| Count | 103 | 102 | -1.0% |
| Per 100K | 0.03 | 0.03 | 13.8% |
Between the 2010 and 2020 Census, the number of Sunyak bearers went from 103 to 102 (-1.0% change). The surname moved up 2,479 positions in the national ranking, going from #157,234 to #154,755.
FAQ
Sunyak surname: questions and answers
How many people in the U.S. have the surname Sunyak?
Name Census estimates that about 117 living Americans carry the surname Sunyak. Using the current population baseline, that works out to roughly 1 in 2,929,524 residents.
How common is Sunyak?
Sunyak ranks #154,755 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 102 people with the surname Sunyak. That is different from the site's living-bearer estimate (117), 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 Sunyak.
Has Sunyak become more or less common over time?
Between 2010 and 2020, the surname Sunyak went from 103 recorded bearers to 102. That is a decrease of 1 (-1.0%). In the national ranking it rose from #157,234 to #154,755.
What does the Census say about the background of Sunyak?
Among Census respondents with the surname Sunyak, the largest self-reported group is White at 100.0%. 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 Sunyak in the 2020 Census, accounting for 100.0% (102 people in the source table).
What is the full ancestry breakdown?
Sunyak appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (100.0%). 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 Sunyak (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 Sunyak mean?
A Ukrainian surname derived from the dialectal noun "sunyak", meaning "marten" or "weasel". 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 Sunyak (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 are called Sunyak?
Our sister site HowManyOfMe.org answers how common the surname Sunyak is at a glance, with the living-bearer count up front.