2010
#156,044
National surname rank
Recorded bearers 104
First available Census row
Per 100,000 0.04
Very Rare Last name
Mauritzen
A surname of Scandinavian origin, derived from the personal name Maurice.
According to the 2020 US Census Bureau surname tables, roughly 133 Americans carry the last name Mauritzen. 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 Mauritzen 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 Mauritzen 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 Mauritzen, the largest self-reported group is White at 87.9%. The next largest groups are Hispanic (9.5%) and Two or More Races (1.7%).
Origin
Meaning and origin of Mauritzen
The surname Mauritzen is of German origin, and it first appeared in the 14th century in the regions of Bavaria and Saxony. It is derived from the German word "Mauritz," which is a variant of the Latin name "Mauritius," meaning "Moorish" or "dark-skinned." This name was initially given to people who had a darker complexion or who hailed from North Africa.
Mauritzen was a fairly common name among German nobles and landowners during the Middle Ages. One of the earliest recorded instances of this surname can be found in the Bavarian archives, where a certain Heinrich Mauritzen is mentioned as a landowner in the village of Rothenburg in the year 1382.
In the 16th century, a notable figure with the surname Mauritzen was Hans Mauritzen (1490-1562), a German painter and engraver who was renowned for his religious works and portraits. His paintings can still be found in various churches and museums across Germany.
During the 17th century, the Mauritzen family established itself as a prominent merchant family in the city of Hamburg. One of the most successful members of this family was Johann Mauritzen (1621-1697), a wealthy trader who played a significant role in the city's economic development.
In the 19th century, a famous American author and poet with the surname Mauritzen was born. Her name was Amelia Mauritzen (1832-1892), and she was known for her romantic poetry and her work as an advocate for women's rights.
Another notable figure with the surname Mauritzen was Karl Mauritzen (1856-1925), a German engineer and inventor who patented several important innovations in the field of electrical engineering. His inventions were widely used in the early days of the electrical industry.
Throughout its history, the surname Mauritzen has been associated with various place names and locations in Germany, such as Mauritzberg, Mauritzheim, and Mauritzfelde. These names were likely derived from the surname itself or from individuals who bore the name Mauritzen.
Demographics
Ancestry and ethnicity for Mauritzen
Among Census respondents with the surname Mauritzen, the largest self-reported group is White at 87.9%. The next largest groups are Hispanic (9.5%) and Two or More Races (1.7%).
The bar chart below shows how Mauritzen 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 Mauritzen surname at the time of the 2020 Census, not any inherent property of the name itself.
- White87.9% · 102
- Hispanic or Latino9.5% · 11
- Two or more races1.7% · 2
- Black or African American0.9% · 1
Timeline
Historical Census data for Mauritzen
Mauritzen 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.
2020
#145,028
National surname rank
Recorded bearers 116
+12 bearers (+11.5%)
Per 100,000 0.04
Rank movement Up 11,016 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #156,044 | 104 | 0.04 | First available Census row | First available Census row |
| 2020 | #145,028 | 116 | 0.04 | +12 bearers (+11.5%) | Up 11,016 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 Mauritzen 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 | #156,044 | #145,028 | 7.1% |
| Count | 104 | 116 | 11.5% |
| Per 100K | 0.04 | 0.04 | -3.0% |
Between the 2010 and 2020 Census, the number of Mauritzen bearers went from 104 to 116 (+11.5% change). The surname moved up 11,016 positions in the national ranking, going from #156,044 to #145,028.
FAQ
Mauritzen surname: questions and answers
How many people in the U.S. have the surname Mauritzen?
Name Census estimates that about 133 living Americans carry the surname Mauritzen. Using the current population baseline, that works out to roughly 1 in 2,577,100 residents.
How common is Mauritzen?
Mauritzen 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 Mauritzen. 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 Mauritzen.
Has Mauritzen become more or less common over time?
Between 2010 and 2020, the surname Mauritzen went from 104 recorded bearers to 116. That is an increase of 12 (+11.5%). In the national ranking it rose from #156,044 to #145,028.
What does the Census say about the background of Mauritzen?
Among Census respondents with the surname Mauritzen, the largest self-reported group is White at 87.9%. The next largest groups are Hispanic (9.5%) and Two or More Races (1.7%). 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 Mauritzen in the 2020 Census, accounting for 87.9% (102 people in the source table).
What is the full ancestry breakdown?
Mauritzen appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (87.9%), Hispanic (9.5%), Two or More Races (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.
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 Mauritzen (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 Mauritzen mean?
A surname of Scandinavian origin, derived from the personal name Maurice. 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 Mauritzen (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 Mauritzen?
See how many people are called Mauritzen on HowManyOfMe.org, our sister site built around that single question.