2000
#134,037
National surname rank
First available Census row
A surname of Ukrainian origin, possibly derived from the word "sip" meaning "hoarseness" or related to a geographical location.
According to the 2020 US Census Bureau surname tables, roughly 135 Americans carry the last name Sipich. That puts it at #143,511 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,538,921 residents).
This page is the full Name Census profile for the Sipich 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
135
1 in 2,538,921
Census rank
#143,511
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
118
very rare in the US
Popularity narrative
The Census Bureau recorded 118 bearers of the surname Sipich in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 143511th position in the national surname ranking.
Among Census respondents with the surname Sipich, the largest self-reported group is White at 90.7%. The next largest groups are Two or More Races (6.8%) and Hispanic (1.7%).
Origin
The surname Sipich has its origins in Croatia, dating back to the 14th century. It is believed to have originated from the Croatian word "sipak," which translates to "a small, sharp object" or "a pebble." This suggests that the name may have initially been given to someone who worked with small, sharp tools or lived in an area abundant with pebbles.
In the early records of the Croatian town of Dubrovnik, the name Sipich is documented as Sipich, Sipicich, and Sipitsch. These variations in spelling were common in the Middle Ages, as literacy rates were low and names were often recorded phonetically by scribes.
One of the earliest known references to the Sipich surname can be found in a 15th-century manuscript from the Dubrovnik Archives, which mentions a certain Petar Sipich, a merchant who traded goods along the Adriatic coast.
During the Renaissance period, the name gained prominence in the coastal regions of Dalmatia, particularly in the cities of Split and Zadar. Records from the 16th century indicate that several members of the Sipich family held positions of importance in the local governance and maritime affairs of these cities.
In the late 17th century, a notable figure bearing the Sipich name was Ivan Sipich (1640-1718), a renowned architect and sculptor from the town of Trogir. He is credited with designing several baroque churches and palaces throughout Dalmatia, including the Cathedral of St. Lawrence in Trogir, which is now a UNESCO World Heritage Site.
Another prominent individual with the Sipich surname was Marko Sipich (1825-1896), a Croatian writer and playwright who contributed significantly to the development of Croatian literature during the 19th century. His works often depicted the struggles and aspirations of the Dalmatian people.
In the 20th century, the name Sipich gained recognition outside of Croatia through the achievements of Josip Sipich (1912-1996), a Croatian-American engineer who played a crucial role in the development of the early space program at NASA. He was instrumental in designing spacecraft components for the Apollo missions that landed humans on the Moon.
While the Sipich surname is relatively uncommon globally, it remains deeply rooted in Croatian history and culture, with its origins dating back to the medieval era and its legacy spanning various fields, including architecture, literature, and space exploration.
Demographics
Among Census respondents with the surname Sipich, the largest self-reported group is White at 90.7%. The next largest groups are Two or More Races (6.8%) and Hispanic (1.7%).
The bar chart below shows how Sipich 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 Sipich surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Sipich 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
+1 bearers (+0.9%)
2020
National surname rank
+1 bearers (+0.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #134,037 | 116 | 0.04 | First available Census row | First available Census row |
| 2010 | #142,108 | 117 | 0.04 | +1 bearers (+0.9%) | Down 8,071 places |
| 2020 | #143,511 | 118 | 0.04 | +1 bearers (+0.9%) | Down 1,403 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 Sipich 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 | #142,108 | #143,511 | -1.0% |
| Count | 117 | 118 | 0.9% |
| Per 100K | 0.04 | 0.04 | -1.3% |
Between the 2010 and 2020 Census, the number of Sipich bearers went from 117 to 118 (+0.9% change). The surname moved down 1,403 positions in the national ranking, going from #142,108 to #143,511.
FAQ
Name Census estimates that about 135 living Americans carry the surname Sipich. Using the current population baseline, that works out to roughly 1 in 2,538,921 residents.
Sipich ranks #143,511 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 118 people with the surname Sipich. That is different from the site's living-bearer estimate (135), 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 Sipich.
Between 2010 and 2020, the surname Sipich went from 117 recorded bearers to 118. That is an increase of 1 (+0.9%). In the national ranking it fell from #142,108 to #143,511.
Among Census respondents with the surname Sipich, the largest self-reported group is White at 90.7%. The next largest groups are Two or More Races (6.8%) and Hispanic (1.7%). 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 Sipich in the 2020 Census, accounting for 90.7% (107 people in the source table).
Sipich appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.7%), Two or More Races (6.8%), Hispanic (1.7%). 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 Sipich (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 surname of Ukrainian origin, possibly derived from the word "sip" meaning "hoarseness" or related to a geographical location. 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 Sipich (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.
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.