2000
#132,259
National surname rank
Recorded bearers 118
First available Census row
Per 100,000 0.04
Very Rare Last name
Siegworth
A German surname originating from a place name and meaning "prosperous victory".
According to the 2020 US Census Bureau surname tables, roughly 124 Americans carry the last name Siegworth. That puts it at #150,935 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,764,148 residents).
This page is the full Name Census profile for the Siegworth 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
124
1 in 2,764,148
Census rank
#150,935
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
108
very rare in the US
Popularity narrative
The Census Bureau recorded 108 bearers of the surname Siegworth in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150935th position in the national surname ranking.
Among Census respondents with the surname Siegworth, the largest self-reported group is White at 96.3%. The next largest groups are Hispanic (3.7%).
Origin
Meaning and origin of Siegworth
The surname Siegworth originates from Germany, dating back to the medieval period around the 12th century. It is derived from the Old German words "sigu," meaning victory, and "worth," meaning a homestead or dwelling place. Thus, the name translates to something along the lines of "victorious dwelling."
Siegworth was likely first used as a descriptive surname, referring to a family or individual who had emerged victorious in some significant event or battle. It may have also been given as a place name, referring to a settlement or village where a notable victory had occurred.
One of the earliest recorded instances of the name Siegworth can be found in the Annals of Quedlinburg, a medieval chronicle written in the 11th century. This document mentions a nobleman named Siegworth von Anhalt, who was involved in a dispute over land rights in the region.
In the 13th century, a knight named Siegworth von Rheinstein is mentioned in the records of the Holy Roman Empire. He was a participant in the Sixth Crusade, which aimed to recapture Jerusalem from Muslim rule.
During the 16th century, a prominent figure named Hans Siegworth was a leading merchant and banker in the city of Nuremberg. He was known for his extensive trade networks and his involvement in financing various imperial projects.
In the 17th century, a notable scholar and theologian named Johann Siegworth made significant contributions to the field of religious studies. He was a professor at the University of Heidelberg and authored several influential works on Protestant theology.
Another notable individual with the surname Siegworth was Friedrich Siegworth, who lived in the 18th century. He was a renowned architect and urban planner, responsible for the design and construction of several churches and public buildings in the city of Berlin.
Over the centuries, variations of the spelling emerged, such as Siegwart, Siegwert, and Siegwirth. These variations were often influenced by regional dialects and linguistic shifts within different parts of Germany.
While the surname Siegworth has its roots in medieval Germany, it eventually spread to other parts of Europe and beyond, carried by families and individuals who emigrated or relocated over the centuries. However, its origins can be traced back to the victorious dwellings and settlements of the German heartland.
Demographics
Ancestry and ethnicity for Siegworth
Among Census respondents with the surname Siegworth, the largest self-reported group is White at 96.3%. The next largest groups are Hispanic (3.7%).
The bar chart below shows how Siegworth 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 Siegworth surname at the time of the 2020 Census, not any inherent property of the name itself.
- White96.3% · 104
- Hispanic or Latino3.7% · 4
Timeline
Historical Census data for Siegworth
Siegworth 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
#145,220
National surname rank
Recorded bearers 114
-4 bearers (-3.4%)
Per 100,000 0.04
Rank movement Down 12,961 places
2020
#150,935
National surname rank
Recorded bearers 108
-6 bearers (-5.3%)
Per 100,000 0.04
Rank movement Down 5,715 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #132,259 | 118 | 0.04 | First available Census row | First available Census row |
| 2010 | #145,220 | 114 | 0.04 | -4 bearers (-3.4%) | Down 12,961 places |
| 2020 | #150,935 | 108 | 0.04 | -6 bearers (-5.3%) | Down 5,715 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 Siegworth 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 | #145,220 | #150,935 | -3.9% |
| Count | 114 | 108 | -5.3% |
| Per 100K | 0.04 | 0.04 | -9.7% |
Between the 2010 and 2020 Census, the number of Siegworth bearers went from 114 to 108 (-5.3% change). The surname moved down 5,715 positions in the national ranking, going from #145,220 to #150,935.
FAQ
Siegworth surname: questions and answers
How many people in the U.S. have the surname Siegworth?
Name Census estimates that about 124 living Americans carry the surname Siegworth. Using the current population baseline, that works out to roughly 1 in 2,764,148 residents.
How common is Siegworth?
Siegworth ranks #150,935 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 108 people with the surname Siegworth. That is different from the site's living-bearer estimate (124), 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 Siegworth.
Has Siegworth become more or less common over time?
Between 2010 and 2020, the surname Siegworth went from 114 recorded bearers to 108. That is a decrease of 6 (-5.3%). In the national ranking it fell from #145,220 to #150,935.
What does the Census say about the background of Siegworth?
Among Census respondents with the surname Siegworth, the largest self-reported group is White at 96.3%. The next largest groups are Hispanic (3.7%). 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 Siegworth in the 2020 Census, accounting for 96.3% (104 people in the source table).
What is the full ancestry breakdown?
Siegworth appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (96.3%), Hispanic (3.7%). 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.
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 Siegworth (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 Siegworth mean?
A German surname originating from a place name and meaning "prosperous victory". 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 Siegworth (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 many people have the surname Siegworth?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.