2000
#123,314
National surname rank
Recorded bearers 129
First available Census row
Per 100,000 0.05
Very Rare Last name
Hannebaum
A Germanic surname derived from the words "hann" meaning rooster and "baum" meaning tree, likely once describing a distinctive feature.
According to the 2020 US Census Bureau surname tables, roughly 133 Americans carry the last name Hannebaum. That puts it at #145,028 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,577,100 residents).
This page is the full Name Census profile for the Hannebaum 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
133
1 in 2,577,100
Census rank
#145,028
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
116
very rare in the US
Popularity narrative
The Census Bureau recorded 116 bearers of the surname Hannebaum in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 145028th position in the national surname ranking.
Among Census respondents with the surname Hannebaum, the largest self-reported group is White at 92.2%. The next largest groups are Black (2.6%) and Two or More Races (2.6%).
Origin
Meaning and origin of Hannebaum
The surname Hannebaum is of German origin, originating in the 16th century. It is believed to have derived from the Middle Low German words "hanen" meaning "rooster" and "baum" meaning "tree," suggesting a possible connection to a location or residence with a distinctive tree or landmark associated with a rooster.
The earliest recorded instances of the name Hannebaum can be traced back to the regions of Lower Saxony and Westphalia in northern Germany. Variations in spelling, such as Hanenbohm and Hanenbaume, were common during the early modern period due to regional dialects and orthographic inconsistencies.
In the 17th century, the Hannebaum family was documented in various church records and municipal archives across the towns of Hannover, Osnabrück, and Münster. One notable mention is found in the baptismal register of St. Lamberti Church in Münster, where a Johann Hannebaum was recorded as a godparent in 1632.
During the 18th century, the Hannebaum name gained prominence in the regions of Westphalia and the Rhineland. A notable figure was Friedrich Hannebaum (1713-1789), a merchant and alderman in the city of Cologne, who was influential in the local trade guilds.
In the 19th century, as industrialization and urbanization took hold, members of the Hannebaum family migrated to larger cities and industrial centers. One such individual was Wilhelm Hannebaum (1825-1901), a successful businessman and entrepreneur in Berlin, who established a successful textile manufacturing company.
Another noteworthy figure was Johanna Hannebaum (1840-1912), a writer and early advocate for women's rights, who published several influential works on gender equality and social reform in Germany.
As the 20th century dawned, the Hannebaum name continued to spread across Germany and beyond, with some members emigrating to other parts of Europe and the Americas. One example is Hans Hannebaum (1901-1972), a renowned architect who designed several iconic buildings in Buenos Aires, Argentina.
Throughout its long history, the Hannebaum surname has been carried by individuals from various walks of life, including merchants, artisans, writers, professionals, and entrepreneurs, contributing to the rich cultural tapestry of Germany and the broader global community.
Demographics
Ancestry and ethnicity for Hannebaum
Among Census respondents with the surname Hannebaum, the largest self-reported group is White at 92.2%. The next largest groups are Black (2.6%) and Two or More Races (2.6%).
The bar chart below shows how Hannebaum 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 Hannebaum surname at the time of the 2020 Census, not any inherent property of the name itself.
- White92.2% · 107
- Black or African American2.6% · 3
- Two or more races2.6% · 3
- Asian and Pacific Islander1.7% · 2
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Hannebaum
Hannebaum 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
#140,157
National surname rank
Recorded bearers 119
-10 bearers (-7.8%)
Per 100,000 0.04
Rank movement Down 16,843 places
2020
#145,028
National surname rank
Recorded bearers 116
-3 bearers (-2.5%)
Per 100,000 0.04
Rank movement Down 4,871 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #123,314 | 129 | 0.05 | First available Census row | First available Census row |
| 2010 | #140,157 | 119 | 0.04 | -10 bearers (-7.8%) | Down 16,843 places |
| 2020 | #145,028 | 116 | 0.04 | -3 bearers (-2.5%) | Down 4,871 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 Hannebaum 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 | #140,157 | #145,028 | -3.5% |
| Count | 119 | 116 | -2.5% |
| Per 100K | 0.04 | 0.04 | -3.0% |
Between the 2010 and 2020 Census, the number of Hannebaum bearers went from 119 to 116 (-2.5% change). The surname moved down 4,871 positions in the national ranking, going from #140,157 to #145,028.
FAQ
Hannebaum surname: questions and answers
How many people in the U.S. have the surname Hannebaum?
Name Census estimates that about 133 living Americans carry the surname Hannebaum. Using the current population baseline, that works out to roughly 1 in 2,577,100 residents.
How common is Hannebaum?
Hannebaum ranks #145,028 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 116 people with the surname Hannebaum. That is different from the site's living-bearer estimate (133), 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 Hannebaum.
Has Hannebaum become more or less common over time?
Between 2010 and 2020, the surname Hannebaum went from 119 recorded bearers to 116. That is a decrease of 3 (-2.5%). In the national ranking it fell from #140,157 to #145,028.
What does the Census say about the background of Hannebaum?
Among Census respondents with the surname Hannebaum, the largest self-reported group is White at 92.2%. The next largest groups are Black (2.6%) and Two or More Races (2.6%). 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 Hannebaum in the 2020 Census, accounting for 92.2% (107 people in the source table).
What is the full ancestry breakdown?
Hannebaum appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (92.2%), Black (2.6%), Two or More Races (2.6%). 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 Hannebaum (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 Hannebaum mean?
A Germanic surname derived from the words "hann" meaning rooster and "baum" meaning tree, likely once describing a distinctive feature. 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 Hannebaum (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 last name Hannebaum?
If you just want to know how many people have the last name Hannebaum, HowManyOfMe.org gives you the headline number in one glance.