2000
#129,619
National surname rank
Recorded bearers 121
First available Census row
Per 100,000 0.04
Very Rare Last name
Lauchman
A variant spelling of the German surname Lachmann, meaning "one who dwells by the alder trees" or "alder brook dweller".
According to the 2020 US Census Bureau surname tables, roughly 126 Americans carry the last name Lauchman. That puts it at #149,446 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,720,273 residents).
This page is the full Name Census profile for the Lauchman 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
126
1 in 2,720,273
Census rank
#149,446
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
110
very rare in the US
Popularity narrative
The Census Bureau recorded 110 bearers of the surname Lauchman in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 149446th position in the national surname ranking.
Among Census respondents with the surname Lauchman, the largest self-reported group is White at 70.0%. The next largest groups are Asian/Pacific Islander (15.5%) and Black (6.4%).
Origin
Meaning and origin of Lauchman
The surname LAUCHMAN has its roots in Germany and Switzerland, dating back to the 16th century. It is believed to have originated from the German word 'Lauch', meaning 'leek' or 'onion'. This suggests that the name may have been given to someone who cultivated or sold leeks or onions.
In the early 1500s, the name LAUCHMAN appeared in records from the town of Augsburg, in southern Germany. One of the earliest documented occurrences was in a 1521 census, where a Hans LAUCHMAN was listed as a resident.
As the name spread across Germanic regions, various spellings emerged, such as LAUCHMANN, LAUCHMAND, and LAUCHMANNT. These variations were common due to regional dialects and the lack of standardized spelling conventions at the time.
In the 17th century, the LAUCHMAN name appeared in Swiss records, particularly in the canton of Bern. One notable figure was Johannes LAUCHMAN, a farmer born in 1625 in the village of Steffisburg. He was known for his skill in cultivating leeks and onions, which may have contributed to the origin of the family name.
The LAUCHMAN surname also made its way to England, likely through immigration from Germany and Switzerland. In the 1690s, a record exists of a William LAUCHMAN, a merchant based in London, who traded with the German states.
Another notable bearer of the name was Friedrich LAUCHMAN, a German soldier who fought in the Napoleonic Wars. Born in 1785 in Nuremberg, he served in the Prussian army and participated in several major battles against the French forces.
In the 19th century, the LAUCHMAN name continued to appear in various parts of Europe, including Germany, Switzerland, and Austria. One prominent figure was Karl LAUCHMAN, a Swiss engineer born in 1832 in Zurich. He played a significant role in the construction of several major railways and bridges in Switzerland.
As time passed, the LAUCHMAN name spread to other parts of the world through migration and immigration. While the surname retains its Germanic roots, it has become a part of the rich tapestry of family names found across various cultures and regions.
Demographics
Ancestry and ethnicity for Lauchman
Among Census respondents with the surname Lauchman, the largest self-reported group is White at 70.0%. The next largest groups are Asian/Pacific Islander (15.5%) and Black (6.4%).
The bar chart below shows how Lauchman 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 Lauchman surname at the time of the 2020 Census, not any inherent property of the name itself.
- White70.0% · 77
- Asian and Pacific Islander15.5% · 17
- Black or African American6.4% · 7
- Hispanic or Latino3.6% · 4
- Two or more races2.7% · 3
- American Indian and Alaska Native1.8% · 2
Timeline
Historical Census data for Lauchman
Lauchman 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
#148,347
National surname rank
Recorded bearers 111
-10 bearers (-8.3%)
Per 100,000 0.04
Rank movement Down 18,728 places
2020
#149,446
National surname rank
Recorded bearers 110
-1 bearers (-0.9%)
Per 100,000 0.04
Rank movement Down 1,099 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #129,619 | 121 | 0.04 | First available Census row | First available Census row |
| 2010 | #148,347 | 111 | 0.04 | -10 bearers (-8.3%) | Down 18,728 places |
| 2020 | #149,446 | 110 | 0.04 | -1 bearers (-0.9%) | Down 1,099 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 Lauchman 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 | #148,347 | #149,446 | -0.7% |
| Count | 111 | 110 | -0.9% |
| Per 100K | 0.04 | 0.04 | -8.0% |
Between the 2010 and 2020 Census, the number of Lauchman bearers went from 111 to 110 (-0.9% change). The surname moved down 1,099 positions in the national ranking, going from #148,347 to #149,446.
FAQ
Lauchman surname: questions and answers
How many people in the U.S. have the surname Lauchman?
Name Census estimates that about 126 living Americans carry the surname Lauchman. Using the current population baseline, that works out to roughly 1 in 2,720,273 residents.
How common is Lauchman?
Lauchman ranks #149,446 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 110 people with the surname Lauchman. That is different from the site's living-bearer estimate (126), 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 Lauchman.
Has Lauchman become more or less common over time?
Between 2010 and 2020, the surname Lauchman went from 111 recorded bearers to 110. That is a decrease of 1 (-0.9%). In the national ranking it fell from #148,347 to #149,446.
What does the Census say about the background of Lauchman?
Among Census respondents with the surname Lauchman, the largest self-reported group is White at 70.0%. The next largest groups are Asian/Pacific Islander (15.5%) and Black (6.4%). 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 Lauchman in the 2020 Census, accounting for 70.0% (77 people in the source table).
What is the full ancestry breakdown?
Lauchman appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (70.0%), Asian/Pacific Islander (15.5%), Black (6.4%). 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 Lauchman (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 Lauchman mean?
A variant spelling of the German surname Lachmann, meaning "one who dwells by the alder trees" or "alder brook dweller". 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 Lauchman (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 Lauchman?
Want to know how common the surname Lauchman is? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.