Rosenbaum
A Jewish occupational surname referring to someone who worked as a florist or flower grower.
According to the 2010 US Census Bureau surname tables, roughly 10,831 Americans carry the last name Rosenbaum. That puts it at #3,791 in the national surname ranking, appearing at a frequency of 3.16 per 100,000 people (about 1 in 31,646 residents).
This page is the full Name Census profile for the Rosenbaum surname. You will find the Census Bureau frequency data, 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
11K
1 in 31,646
Census rank
#3,791
2010 decennial data
Per 100,000
3.2
Frequency rate
Recorded bearers
9.3K
uncommon in the US
Popularity narrative
The Census Bureau recorded 9,333 bearers of the surname Rosenbaum in its 2010 decennial surname file. At a rate of 3.16 per 100,000 residents, it holds the 3791st position in the national surname ranking.
Among Census respondents with the surname Rosenbaum, the largest self-reported group is White at 92.8%. The next largest groups are Hispanic (5.0%) and Two or More Races (1.1%).
Origin
Meaning and origin of Rosenbaum
The surname Rosenbaum originated in German-speaking regions of Europe, likely in the late medieval or early modern period. It is a compound word derived from the German words "Rose" (rose) and "Baum" (tree), suggesting a connection to rose bushes or gardens.
Early records of the name can be found in various German regions, such as Bavaria and Saxony, dating back to the 16th and 17th centuries. In some instances, the name may have been adopted by individuals who lived near or worked with rose bushes or in rose gardens.
One notable early bearer of the name was Johann Philipp Rosenbaum (1646-1705), a German composer and organist from Nuremberg. Another was Johann Baptist Rosenbaum (1737-1805), a German painter and engraver from Augsburg.
In the 19th century, the surname Rosenbaum spread more widely due to migration and immigration. For example, Joseph Rosenbaum (1770-1829) was a prominent Austrian banker and philanthropist who lived in Vienna.
As the name spread to other parts of Europe and beyond, it often took on slight variations in spelling, such as Rosenbaum, Rosenbaum, or Rosenbaum. One notable figure was Moriz Rosenbaum (1850-1925), an Austrian businessman and philanthropist who founded the Rosenbaum Shipping Company.
In the United States, the name became more common in the late 19th and early 20th centuries due to immigration from German-speaking regions. One prominent bearer was Walter Rosenbaum (1894-1980), an American lawyer and legal scholar who served as the president of the American Bar Association.
Throughout its history, the surname Rosenbaum has been borne by individuals from various walks of life, including artists, musicians, businesspeople, and scholars, reflecting its German origins and the diverse paths taken by those who carried this name.
Demographics
Ancestry and ethnicity for Rosenbaum
Among Census respondents with the surname Rosenbaum, the largest self-reported group is White at 92.8%. The next largest groups are Hispanic (5.0%) and Two or More Races (1.1%).
The bar chart below shows how Rosenbaum bearers described their own race and ethnicity on the 2010 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.
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 Rosenbaum surname at the time of the 2010 Census, not any inherent property of the name itself.
- White92.8%
- Hispanic or Latino5.0%
- Two or more races1.1%
- Asian and Pacific Islander0.5%
- Black or African American0.4%
- American Indian and Alaska Native0.2%
Year on year
2000 vs 2010 Census
How has the Rosenbaum 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 | 2000 | 2010 | Change |
|---|---|---|---|
| Rank | #3,632 | #3,791 | -4.4% |
| Count | 8,985 | 9,333 | 3.9% |
| Per 100K | 3.33 | 3.16 | -5.1% |
Between the 2000 and 2010 Census, the number of Rosenbaum bearers went from 8,985 to 9,333 (+3.9% change). The surname moved down 159 positions in the national ranking, going from #3,632 to #3,791.
Notable bearers
Famous people with the surname Rosenbaum
FAQ
Rosenbaum surname: questions and answers
How common is the last name Rosenbaum?
The surname Rosenbaum holds position #3,791 in the US Census Bureau's surname ranking, with an estimated 10,831 living bearers. It occurs at a rate of 3.16 per 100,000 Americans.
What is the ethnic background of the Rosenbaum surname?
Among Census respondents with the surname Rosenbaum, the largest self-reported group is White at 92.8%. The next largest groups are Hispanic (5.0%) and Two or More Races (1.1%). These figures come from the 2010 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Where does this surname data come from?
All surname statistics on Name Census are drawn from the US Census Bureau's decennial surname frequency tables. These tables list every surname that appeared 100 or more times in the 2010 Census, along with a frequency rate and self-reported demographic breakdown. You can read the full explanation on our methodology page.