2010
#160,975
National surname rank
First available Census row
A surname derived from a Slavic root meaning "coarse" or "rough".
According to the 2020 US Census Bureau surname tables, roughly 127 Americans carry the last name Grubor. That puts it at #148,665 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,698,853 residents).
This page is the full Name Census profile for the Grubor 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
127
1 in 2,698,853
Census rank
#148,665
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
111
very rare in the US
Popularity narrative
The Census Bureau recorded 111 bearers of the surname Grubor in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 148665th position in the national surname ranking.
Among Census respondents with the surname Grubor, the largest self-reported group is White at 94.6%. The next largest groups are Hispanic (2.7%) and Two or More Races (1.8%).
Origin
The surname GRUBOR has its origins in the Slavic regions of Eastern Europe, particularly in the Balkan peninsula. The name is believed to have emerged during the medieval period, around the 12th to 14th centuries.
One possible derivation of the name GRUBOR is from the Slavic word "grub," which means "rough" or "coarse." This could suggest that the name was initially given to someone who had a rugged or robust appearance or personality. Alternatively, it may have been an occupational surname for someone who worked with rough materials, such as a woodcutter or a stonemason.
The earliest recorded instances of the GRUBOR surname can be found in historical records from the regions of Serbia, Croatia, and Bosnia and Herzegovina. In the 16th century, there are mentions of individuals with this surname in documents from the city of Dubrovnik (then known as Ragusa), which was an important maritime center and a hub of trade and commerce in the Adriatic region.
One notable individual with the GRUBOR surname was Ivan Grubor, a Serbian merchant and diplomat who lived in the 16th century. He was a prominent figure in the city of Dubrovnik and played a crucial role in fostering trade relations between the Ottoman Empire and the Venetian Republic.
In the 18th century, the GRUBOR surname appeared in records from the city of Kotor, which was part of the Venetian-ruled Republic of Venice at the time. A certain Marko Grubor was mentioned as a respected merchant and landowner in the region.
During the 19th century, the GRUBOR name gained prominence in Serbia, with several individuals making significant contributions in various fields. Jovan Grubor (1786-1854) was a Serbian writer, educator, and linguist who played a vital role in the development of the Serbian language and literature.
Another notable figure was Nikola Grubor (1824-1899), a Serbian politician and statesman who served as the Minister of Foreign Affairs and played a crucial role in the formation of the Kingdom of Serbia.
In the 20th century, the GRUBOR surname continued to be present in various parts of the Balkans, with individuals in fields such as literature, arts, and politics. Miodrag Grubor (1925-2005) was a prominent Serbian writer and playwright, known for his works that explored the complexities of human relationships and social issues.
While the surname GRUBOR has its roots in the Balkans, it has since spread to other parts of the world due to migration and diaspora communities. However, its origins can be traced back to the medieval period in the Slavic regions of Eastern Europe, where it emerged as a descriptive or occupational surname reflecting the rugged nature or profession of its earliest bearers.
Demographics
Among Census respondents with the surname Grubor, the largest self-reported group is White at 94.6%. The next largest groups are Hispanic (2.7%) and Two or More Races (1.8%).
The bar chart below shows how Grubor 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 Grubor surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Grubor 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.
2010
National surname rank
First available Census row
2020
National surname rank
+11 bearers (+11.0%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #160,975 | 100 | 0.03 | First available Census row | First available Census row |
| 2020 | #148,665 | 111 | 0.04 | +11 bearers (+11.0%) | Up 12,310 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 Grubor 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 | #160,975 | #148,665 | 7.6% |
| Count | 100 | 111 | 11.0% |
| Per 100K | 0.03 | 0.04 | 23.8% |
Between the 2010 and 2020 Census, the number of Grubor bearers went from 100 to 111 (+11.0% change). The surname moved up 12,310 positions in the national ranking, going from #160,975 to #148,665.
FAQ
Name Census estimates that about 127 living Americans carry the surname Grubor. Using the current population baseline, that works out to roughly 1 in 2,698,853 residents.
Grubor ranks #148,665 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.
The raw 2020 Census file counted 111 people with the surname Grubor. That is different from the site's living-bearer estimate (127), 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 0.04 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 Grubor.
Between 2010 and 2020, the surname Grubor went from 100 recorded bearers to 111. That is an increase of 11 (+11.0%). In the national ranking it rose from #160,975 to #148,665.
Among Census respondents with the surname Grubor, the largest self-reported group is White at 94.6%. The next largest groups are Hispanic (2.7%) and 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.
White is the largest self-reported group for the surname Grubor in the 2020 Census, accounting for 94.6% (105 people in the source table).
Grubor appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.6%), Hispanic (2.7%), 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.
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 Grubor (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 surname derived from a Slavic root meaning "coarse" or "rough". 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 Grubor (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.
Want to know how common the surname Grubor is? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.