2010
#138,304
National surname rank
First available Census row
A habitational surname derived from a place name, likely of German origin.
According to the 2020 US Census Bureau surname tables, roughly 139 Americans carry the last name Mandabach. That puts it at #141,309 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,465,859 residents).
This page is the full Name Census profile for the Mandabach 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
139
1 in 2,465,859
Census rank
#141,309
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
121
very rare in the US
Popularity narrative
The Census Bureau recorded 121 bearers of the surname Mandabach in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 141309th position in the national surname ranking.
Among Census respondents with the surname Mandabach, the largest self-reported group is White at 91.7%. The next largest groups are Two or More Races (3.3%) and American Indian/Alaska Native (2.5%).
Origin
The surname MANDABACH has its origins in the Germanic regions of central Europe, with its earliest recorded instances dating back to the late 15th century. It is believed to have derived from a combination of the Old High German words "mand," meaning "basket," and "bach," meaning "stream" or "brook." This suggests that the name may have originated as a descriptive term for someone who lived near a stream or river where baskets were made or transported.
One of the earliest known references to the MANDABACH surname can be found in a land registry document from the year 1487, which mentions a family by the name of "Mandebach" residing in a village near the town of Heidelberg, in what is now the German state of Baden-Württemberg. This particular spelling variation suggests that the name may have evolved from a place name or a topographical feature in the region.
In the 16th and 17th centuries, records show the MANDABACH name appearing in various parts of Germany, Switzerland, and the Alsace region of France, which was historically a part of the Holy Roman Empire. Notable individuals bearing this surname during this time period include Johann MANDABACH (1542-1618), a skilled woodcarver from the town of Freiburg im Breisgau, and Anna MANDABACH (1603-1674), a midwife and herbalist from the Swiss village of Zermatt.
As the centuries progressed, the MANDABACH name spread to other parts of Europe and eventually to the Americas through immigration. One of the earliest recorded instances of the name in the New World is that of Hans MANDABACH (1721-1803), a farmer who emigrated from the Palatinate region of Germany to Pennsylvania in the mid-18th century.
Other notable individuals with the MANDABACH surname include:
1. Kaspar MANDABACH (1785-1867), a German-born painter and engraver who settled in New York City in the early 19th century.
2. Maria MANDABACH (1832-1912), an Austrian-born opera singer who performed throughout Europe in the latter half of the 19th century.
3. Theodor MANDABACH (1866-1942), a Swiss architect and urban planner who designed several notable buildings in Zurich and Geneva.
4. Wilhelm MANDABACH (1897-1976), a German-born physicist who made significant contributions to the study of nuclear fission and worked on the Manhattan Project during World War II.
5. Helene MANDABACH (1923-2010), a French writer and journalist who chronicled the experiences of women during World War II and the post-war years.
While the MANDABACH surname may not be as widely recognized as some others, its rich history and varied geographical origins reflect the diverse cultural tapestry of Europe and the continual movement and intermingling of peoples throughout the centuries.
Demographics
Among Census respondents with the surname Mandabach, the largest self-reported group is White at 91.7%. The next largest groups are Two or More Races (3.3%) and American Indian/Alaska Native (2.5%).
The bar chart below shows how Mandabach 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 Mandabach surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Mandabach 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
+0 bearers (+0.0%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #138,304 | 121 | 0.04 | First available Census row | First available Census row |
| 2020 | #141,309 | 121 | 0.04 | +0 bearers (+0.0%) | Down 3,005 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 Mandabach 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 | #138,304 | #141,309 | -2.2% |
| Count | 121 | 121 | 0.0% |
| Per 100K | 0.04 | 0.04 | 1.2% |
Between the 2010 and 2020 Census, the number of Mandabach bearers went from 121 to 121 (+0.0% change). The surname moved down 3,005 positions in the national ranking, going from #138,304 to #141,309.
FAQ
Name Census estimates that about 139 living Americans carry the surname Mandabach. Using the current population baseline, that works out to roughly 1 in 2,465,859 residents.
Mandabach ranks #141,309 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 121 people with the surname Mandabach. That is different from the site's living-bearer estimate (139), 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 Mandabach.
Between 2010 and 2020, the surname Mandabach went from 121 recorded bearers to 121. That is an increase of 0 (+0.0%). In the national ranking it fell from #138,304 to #141,309.
Among Census respondents with the surname Mandabach, the largest self-reported group is White at 91.7%. The next largest groups are Two or More Races (3.3%) and American Indian/Alaska Native (2.5%). 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 Mandabach in the 2020 Census, accounting for 91.7% (111 people in the source table).
Mandabach appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (91.7%), Two or More Races (3.3%), American Indian/Alaska Native (2.5%). 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 Mandabach (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 habitational surname derived from a place name, likely of German origin. 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 Mandabach (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.
Our sister site HowManyOfMe.org answers how many people have the last name Mandabach at a glance, with the living-bearer count up front.