2000
#126,400
National surname rank
First available Census row
A variant spelling of the Czechian surname Tomczyk or Tomczewski, meaning "son of Thomas".
According to the 2020 US Census Bureau surname tables, roughly 114 Americans carry the last name Tomcheck. That puts it at #156,005 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 3,006,617 residents).
This page is the full Name Census profile for the Tomcheck 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
114
1 in 3,006,617
Census rank
#156,005
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
99
very rare in the US
Popularity narrative
The Census Bureau recorded 99 bearers of the surname Tomcheck in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 156005th position in the national surname ranking.
Among Census respondents with the surname Tomcheck, the largest self-reported group is White at 98.0%. The next largest groups are Hispanic (1.0%) and American Indian/Alaska Native (1.0%).
Origin
The surname Tomcheck is believed to have originated in Eastern Europe, specifically in the present-day Czech Republic or Slovakia, during the medieval period. It is likely derived from the Old Slavic word "tomić," which means "axe" or "hatchet," suggesting that the name may have originally referred to someone who worked as a woodcutter or lumberjack.
The earliest recorded mentions of the name Tomcheck can be traced back to the 13th and 14th centuries in various historical documents from the region. For instance, a record from 1327 in the town of Brno, Czech Republic, mentions a person named Tomasz Tomcheck, who was a local artisan.
In the 15th century, the name Tomcheck appeared in the town of Trenčín, located in what is now western Slovakia. A man named Ján Tomcheck was listed in the town's registry as a blacksmith in the year 1462.
One notable figure in history who bore the surname Tomcheck was Petr Tomcheck, a Czech military commander who fought against the Ottoman Empire in the late 16th century. He was born in 1549 and died in 1609 after a distinguished career in the service of the Holy Roman Empire.
Another individual worth mentioning is Václav Tomcheck, a Czech writer and poet who lived in the 18th century. He was born in 1721 in the town of Litomyšl and is known for his works that celebrated Czech culture and language during a time when the region was under Habsburg rule.
In the 19th century, a Czech-American family named Tomcheck settled in the state of Texas, United States. The patriarch, Josef Tomcheck, was born in 1832 in the town of Olomouc, Czech Republic, and immigrated to America in 1855. He and his descendants played a role in the development of the Czech community in Texas.
It is interesting to note that the surname Tomcheck has also been recorded with variations in spelling, such as Tomczek, Tomczyk, and Tomczak, which are likely reflections of regional dialects or language influences in the areas where the name was prevalent.
Demographics
Among Census respondents with the surname Tomcheck, the largest self-reported group is White at 98.0%. The next largest groups are Hispanic (1.0%) and American Indian/Alaska Native (1.0%).
The bar chart below shows how Tomcheck 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 Tomcheck surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Tomcheck 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.
2000
National surname rank
First available Census row
2010
National surname rank
-23 bearers (-18.4%)
2020
National surname rank
-3 bearers (-2.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #126,400 | 125 | 0.05 | First available Census row | First available Census row |
| 2010 | #158,432 | 102 | 0.03 | -23 bearers (-18.4%) | Down 32,032 places |
| 2020 | #156,005 | 99 | 0.03 | -3 bearers (-2.9%) | Up 2,427 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
How has the Tomcheck surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #158,432 | #156,005 | 1.5% |
| Count | 102 | 99 | -2.9% |
| Per 100K | 0.03 | 0.03 | 10.4% |
Between the 2010 and 2020 Census, the number of Tomcheck bearers went from 102 to 99 (-2.9% change). The surname moved up 2,427 positions in the national ranking, going from #158,432 to #156,005.
FAQ
Name Census estimates that about 114 living Americans carry the surname Tomcheck. Using the current population baseline, that works out to roughly 1 in 3,006,617 residents.
Tomcheck ranks #156,005 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.
The raw 2020 Census file counted 99 people with the surname Tomcheck. That is different from the site's living-bearer estimate (114), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
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 Tomcheck.
Between 2010 and 2020, the surname Tomcheck went from 102 recorded bearers to 99. That is a decrease of 3 (-2.9%). In the national ranking it rose from #158,432 to #156,005.
Among Census respondents with the surname Tomcheck, the largest self-reported group is White at 98.0%. The next largest groups are Hispanic (1.0%) and American Indian/Alaska Native (1.0%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
White is the largest self-reported group for the surname Tomcheck in the 2020 Census, accounting for 98.0% (97 people in the source table).
Tomcheck appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (98.0%), Hispanic (1.0%), American Indian/Alaska Native (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.
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 Tomcheck (2000, 2010, 2020).
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.
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.
A variant spelling of the Czechian surname Tomczyk or Tomczewski, meaning "son of Thomas". The fuller origin note on this page goes into more detail.
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.
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 Tomcheck (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.
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.