2010
#145,220
National surname rank
Recorded bearers 114
First available Census row
Per 100,000 0.04
Very Rare Last name
Umpierrez
A surname likely derived from a place name or ancestor's name of Basque or Navarrese origin.
According to the 2020 US Census Bureau surname tables, roughly 125 Americans carry the last name Umpierrez. That puts it at #150,205 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,742,035 residents).
This page is the full Name Census profile for the Umpierrez 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
125
1 in 2,742,035
Census rank
#150,205
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
109
very rare in the US
Popularity narrative
The Census Bureau recorded 109 bearers of the surname Umpierrez in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150205th position in the national surname ranking.
Among Census respondents with the surname Umpierrez, the largest self-reported group is Hispanic at 89.9%. The next largest groups are White (8.3%) and Black (0.9%).
Origin
Meaning and origin of Umpierrez
The surname "Umpierrez" has its origins in Spain and can be traced back to the 16th century. It is believed to have originated from the northern region of Navarra, where it was likely derived from a combination of the Basque words "unpi," meaning "place," and "errez," meaning "easy" or "accessible."
One of the earliest recorded instances of the name appears in the municipal archives of Pamplona, the capital of Navarra, from the year 1587. In these records, a certain Juan Umpierrez is mentioned as a landowner in the village of Olite.
During the 17th century, the Umpierrez family appeared to have migrated southwards to the region of Andalusia, where the name can be found in various historical documents from cities like Seville and Cordoba. Notably, a Francisco Umpierrez was a renowned goldsmith in Seville in the late 1600s, known for his intricate work on religious artifacts.
As the Spanish Empire expanded across the Atlantic, some members of the Umpierrez family also ventured to the New World. In the early 1700s, a Pedro Umpierrez was among the first settlers in the region that is now known as Venezuela, where he established a successful farming operation.
One of the most prominent figures bearing this surname was Diego Umpierrez (1756-1823), a Spanish military officer who fought against Napoleon's forces during the Peninsular War. He was awarded several honors for his bravery and leadership on the battlefield.
Another notable individual was María Umpierrez (1810-1891), a renowned educator from Seville who established one of the first schools for girls in the city. Her progressive views on education for women were considered revolutionary at the time.
In the 19th century, the Umpierrez family continued to spread across Spain and its territories, with members settling in various regions, including the Canary Islands, where the name can still be found today.
Throughout its history, the surname "Umpierrez" has been associated with a diverse range of professions and achievements, from military heroes and artisans to educators and pioneers in the New World.
Demographics
Ancestry and ethnicity for Umpierrez
Among Census respondents with the surname Umpierrez, the largest self-reported group is Hispanic at 89.9%. The next largest groups are White (8.3%) and Black (0.9%).
The bar chart below shows how Umpierrez 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 Umpierrez surname at the time of the 2020 Census, not any inherent property of the name itself.
- Hispanic or Latino89.9% · 98
- White8.3% · 9
- Black or African American0.9% · 1
- Two or more races0.9% · 1
Timeline
Historical Census data for Umpierrez
Umpierrez 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
#150,205
National surname rank
Recorded bearers 109
-5 bearers (-4.4%)
Per 100,000 0.04
Rank movement Down 4,985 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #145,220 | 114 | 0.04 | First available Census row | First available Census row |
| 2020 | #150,205 | 109 | 0.04 | -5 bearers (-4.4%) | Down 4,985 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 Umpierrez 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 | #145,220 | #150,205 | -3.4% |
| Count | 114 | 109 | -4.4% |
| Per 100K | 0.04 | 0.04 | -8.8% |
Between the 2010 and 2020 Census, the number of Umpierrez bearers went from 114 to 109 (-4.4% change). The surname moved down 4,985 positions in the national ranking, going from #145,220 to #150,205.
FAQ
Umpierrez surname: questions and answers
How many people in the U.S. have the surname Umpierrez?
Name Census estimates that about 125 living Americans carry the surname Umpierrez. Using the current population baseline, that works out to roughly 1 in 2,742,035 residents.
How common is Umpierrez?
Umpierrez ranks #150,205 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 109 people with the surname Umpierrez. That is different from the site's living-bearer estimate (125), 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 Umpierrez.
Has Umpierrez become more or less common over time?
Between 2010 and 2020, the surname Umpierrez went from 114 recorded bearers to 109. That is a decrease of 5 (-4.4%). In the national ranking it fell from #145,220 to #150,205.
What does the Census say about the background of Umpierrez?
Among Census respondents with the surname Umpierrez, the largest self-reported group is Hispanic at 89.9%. The next largest groups are White (8.3%) and Black (0.9%). 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?
Hispanic is the largest self-reported group for the surname Umpierrez in the 2020 Census, accounting for 89.9% (98 people in the source table).
What is the full ancestry breakdown?
Umpierrez appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (89.9%), White (8.3%), Black (0.9%). 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 Umpierrez (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 Umpierrez mean?
A surname likely derived from a place name or ancestor's name of Basque or Navarrese origin. 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 Umpierrez (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 are called Umpierrez?
Our sister site HowManyOfMe.org answers how many people are called Umpierrez at a glance, with the living-bearer count up front.