2000
#116,835
National surname rank
Recorded bearers 138
First available Census row
Per 100,000 0.05
Very Rare Last name
Sieckman
A locational German surname derived from a place name meaning "wet meadow."
According to the 2020 US Census Bureau surname tables, roughly 134 Americans carry the last name Sieckman. That puts it at #144,270 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,557,868 residents).
This page is the full Name Census profile for the Sieckman 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
134
1 in 2,557,868
Census rank
#144,270
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
117
very rare in the US
Popularity narrative
The Census Bureau recorded 117 bearers of the surname Sieckman in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 144270th position in the national surname ranking.
Among Census respondents with the surname Sieckman, the largest self-reported group is White at 87.2%. The next largest groups are Hispanic (5.1%) and Two or More Races (4.3%).
Origin
Meaning and origin of Sieckman
The surname SIECKMAN is of German origin, derived from the Old High German word "sioh" meaning "marsh" or "swamp." It likely originated in the northern regions of Germany, where marshes and wetlands were prevalent. The earliest known spelling of the name is "Sichmann," dating back to the 13th century.
During the Middle Ages, surnames were often derived from geographical locations, occupations, or personal characteristics. In this case, SIECKMAN likely referred to someone who lived near a marsh or worked in a marshland area. The name may have also been given as a descriptive nickname for someone with a connection to a swampy region.
One of the earliest recorded mentions of the SIECKMAN name can be found in the Codex Diplomaticus Saxoniae, a collection of medieval documents from the region of Saxony, Germany. The document, dated 1289, references a "Henricus Sichmann" from the town of Halberstadt.
In the 15th century, the SIECKMAN name appears in the records of the city of Lübeck, a prominent Hanseatic League trading hub in northern Germany. A merchant named Joachim Sieckman is noted in a trade document from 1472.
During the 16th century, a notable figure bearing the SIECKMAN name was Johann Sieckman (1524-1589), a German theologian and reformer who played a significant role in the Protestant Reformation. He was a close associate of Martin Luther and served as a pastor in various cities, including Wittenberg and Jena.
In the 18th century, a prominent SIECKMAN was Johann Friedrich Sieckman (1717-1789), a German jurist and legal scholar. He authored several influential works on Roman and German law and served as a professor at the University of Göttingen.
Another noteworthy individual with the SIECKMAN surname was Karl August Sieckman (1802-1876), a German architect and urban planner. He designed several notable buildings in Berlin and contributed to the city's urban development during the 19th century.
The SIECKMAN name has also been associated with various place names and locations throughout Germany, particularly in regions with marshlands or wetlands. Examples include Sieckmannshausen, a village in Lower Saxony, and Sieckmannsmühle, a historic mill in Saxony-Anhalt.
Demographics
Ancestry and ethnicity for Sieckman
Among Census respondents with the surname Sieckman, the largest self-reported group is White at 87.2%. The next largest groups are Hispanic (5.1%) and Two or More Races (4.3%).
The bar chart below shows how Sieckman 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 Sieckman surname at the time of the 2020 Census, not any inherent property of the name itself.
- White87.2% · 102
- Hispanic or Latino5.1% · 6
- Two or more races4.3% · 5
- Black or African American1.7% · 2
- American Indian and Alaska Native1.7% · 2
Timeline
Historical Census data for Sieckman
Sieckman 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
#116,829
National surname rank
Recorded bearers 149
+11 bearers (+8.0%)
Per 100,000 0.05
Rank movement Up 6 places
2020
#144,270
National surname rank
Recorded bearers 117
-32 bearers (-21.5%)
Per 100,000 0.04
Rank movement Down 27,441 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #116,835 | 138 | 0.05 | First available Census row | First available Census row |
| 2010 | #116,829 | 149 | 0.05 | +11 bearers (+8.0%) | Up 6 places |
| 2020 | #144,270 | 117 | 0.04 | -32 bearers (-21.5%) | Down 27,441 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 Sieckman 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 | #116,829 | #144,270 | -23.5% |
| Count | 149 | 117 | -21.5% |
| Per 100K | 0.05 | 0.04 | -21.7% |
Between the 2010 and 2020 Census, the number of Sieckman bearers went from 149 to 117 (-21.5% change). The surname moved down 27,441 positions in the national ranking, going from #116,829 to #144,270.
FAQ
Sieckman surname: questions and answers
How many people in the U.S. have the surname Sieckman?
Name Census estimates that about 134 living Americans carry the surname Sieckman. Using the current population baseline, that works out to roughly 1 in 2,557,868 residents.
How common is Sieckman?
Sieckman ranks #144,270 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 117 people with the surname Sieckman. That is different from the site's living-bearer estimate (134), 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 Sieckman.
Has Sieckman become more or less common over time?
Between 2010 and 2020, the surname Sieckman went from 149 recorded bearers to 117. That is a decrease of 32 (-21.5%). In the national ranking it fell from #116,829 to #144,270.
What does the Census say about the background of Sieckman?
Among Census respondents with the surname Sieckman, the largest self-reported group is White at 87.2%. The next largest groups are Hispanic (5.1%) and Two or More Races (4.3%). 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 Sieckman in the 2020 Census, accounting for 87.2% (102 people in the source table).
What is the full ancestry breakdown?
Sieckman appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (87.2%), Hispanic (5.1%), Two or More Races (4.3%). 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 Sieckman (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 Sieckman mean?
A locational German surname derived from a place name meaning "wet meadow." 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 Sieckman (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 common is the surname Sieckman?
See how many people have the surname Sieckman on HowManyOfMe.org, our sister site built around that single question.