2000
#118,236
National surname rank
First available Census row
A German surname potentially derived from a place name or referring to someone from Lemmer.
According to the 2020 US Census Bureau surname tables, roughly 135 Americans carry the last name Lemmermann. 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 Lemmermann 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 Lemmermann 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 Lemmermann, the largest self-reported group is White at 90.7%. The next largest groups are Hispanic (5.9%) and Asian/Pacific Islander (1.7%).
Origin
The surname LEMMERMANN is of German origin, originating in the northern regions of Germany during the late medieval period. It is derived from the Middle Low German words "lemmer" meaning "lamb" and "mann" meaning "man." This suggests that the name may have originally referred to someone who worked as a shepherd or was associated with the care or trade of lambs.
One of the earliest recorded instances of the name LEMMERMANN can be found in the town records of Lübeck, a prominent Hanseatic city in northern Germany, dating back to the 15th century. The name appears in various spellings, such as "Lemmerman," "Lemermann," and "Lemmermannen," reflecting the phonetic variations of the time.
During the 16th century, the LEMMERMANN name is mentioned in several historical documents from the region around Hamburg, including tax records and guild registries. This suggests that the name had become established in the area and was associated with various trades or professions.
In the 17th century, a notable individual bearing the name LEMMERMANN was Hans Lemmermann, a merchant and shipowner from Bremen. He played a significant role in the city's maritime trade and was involved in the establishment of trade routes to the Dutch East Indies.
The 18th century saw the LEMMERMANN name spread further across northern Germany, with records showing individuals with this surname residing in cities such as Hannover and Lüneburg. One prominent figure was Johann Lemmermann, a scholar and professor of theology at the University of Göttingen, who lived from 1720 to 1795.
In the 19th century, the LEMMERMANN name gained recognition through the work of Carl Lemmermann, a German botanist and algologist born in 1858. He made significant contributions to the study of algae and published several important works on the subject, including his seminal work "Die Algenflora der Sandwichinsen" (The Algal Flora of the Sandwich Islands).
Another notable individual with the LEMMERMANN surname was Friedrich Lemmermann, a German writer and poet who lived from 1872 to 1948. He gained recognition for his lyrical works and was considered an important figure in the literary circles of his time.
While the LEMMERMANN name has its roots in northern Germany, it has since spread to other parts of the country and beyond, as families migrated and settled in different regions over the centuries. However, the name's rich history and etymology remain deeply rooted in the cultural and linguistic traditions of northern Germany.
Demographics
Among Census respondents with the surname Lemmermann, the largest self-reported group is White at 90.7%. The next largest groups are Hispanic (5.9%) and Asian/Pacific Islander (1.7%).
The bar chart below shows how Lemmermann 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 Lemmermann surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Lemmermann 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 (+0.7%)
2020
National surname rank
-19 bearers (-13.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #118,236 | 136 | 0.05 | First available Census row | First available Census row |
| 2010 | #125,282 | 137 | 0.05 | +1 bearers (+0.7%) | Down 7,046 places |
| 2020 | #143,511 | 118 | 0.04 | -19 bearers (-13.9%) | Down 18,229 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 Lemmermann 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 | #125,282 | #143,511 | -14.6% |
| Count | 137 | 118 | -13.9% |
| Per 100K | 0.05 | 0.04 | -21.0% |
Between the 2010 and 2020 Census, the number of Lemmermann bearers went from 137 to 118 (-13.9% change). The surname moved down 18,229 positions in the national ranking, going from #125,282 to #143,511.
FAQ
Name Census estimates that about 135 living Americans carry the surname Lemmermann. Using the current population baseline, that works out to roughly 1 in 2,538,921 residents.
Lemmermann 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 Lemmermann. 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 Lemmermann.
Between 2010 and 2020, the surname Lemmermann went from 137 recorded bearers to 118. That is a decrease of 19 (-13.9%). In the national ranking it fell from #125,282 to #143,511.
Among Census respondents with the surname Lemmermann, the largest self-reported group is White at 90.7%. The next largest groups are Hispanic (5.9%) and Asian/Pacific Islander (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 Lemmermann in the 2020 Census, accounting for 90.7% (107 people in the source table).
Lemmermann appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.7%), Hispanic (5.9%), Asian/Pacific Islander (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 Lemmermann (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 German surname potentially derived from a place name or referring to someone from Lemmer. 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 Lemmermann (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.
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.