2010
#157,234
National surname rank
First available Census row
A Spanish surname derived from a Germanic name meaning "one who loves God."
According to the 2020 US Census Bureau surname tables, roughly 132 Americans carry the last name Amadiz. That puts it at #145,757 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,596,624 residents).
This page is the full Name Census profile for the Amadiz 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
132
1 in 2,596,624
Census rank
#145,757
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
115
very rare in the US
Popularity narrative
The Census Bureau recorded 115 bearers of the surname Amadiz in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 145757th position in the national surname ranking.
Among Census respondents with the surname Amadiz, the largest self-reported group is Hispanic at 96.5%. The next largest groups are White (1.7%) and Asian/Pacific Islander (1.7%).
Origin
The surname Amadiz has its origins in the Iberian Peninsula, specifically in the region of Aragon, Spain. It is believed to have emerged during the 12th century, derived from the Arabic name "Ahmad," which means "highly praised." The name likely underwent various transformations and adaptations as it spread across different regions.
One of the earliest known mentions of the Amadiz surname can be found in a document from the year 1235, which records a certain Rodrigo Amadiz as a landowner in the village of Calatayud, near Zaragoza. This suggests that the name was well-established in the area by that time.
During the Reconquista period, when the Christian kingdoms of the Iberian Peninsula were gradually reclaiming territories from the Moors, the Amadiz family played a notable role in the military campaigns. Historical records from the 13th century mention a valiant knight named Juan Amadiz, who distinguished himself in the Battle of Las Navas de Tolosa in 1212, a decisive victory for the Christian forces against the Almohad Caliphate.
The Amadiz surname also appears in various medieval manuscripts and chronicles from the region, indicating its prominence among the nobility and landed gentry of the time. For instance, a 14th-century codex from the Kingdom of Aragon lists a certain Pedro Amadiz as a member of the royal court, serving as a trusted advisor to King Pedro IV.
As the Amadiz family expanded and members migrated to other parts of the Iberian Peninsula and beyond, variations in spelling and pronunciation emerged. In Portugal, for instance, the name was sometimes rendered as "Amadis" or "Amades," while in certain regions of Spain, it took the form of "Amadiz" or "Amadez."
Notable historical figures bearing the Amadiz surname include:
1. Fernán Amadiz (1420-1489), a celebrated Spanish poet and scholar who resided in the court of King Juan II of Castile.
2. Beatriz Amadiz (1475-1532), a prominent noblewoman from Valencia, known for her patronage of the arts and her philanthropic work.
3. Gonzalo Amadiz (1510-1578), a Spanish conquistador who participated in the expeditions to the Americas, particularly in the conquest of Peru.
4. Álvaro Amadiz (1625-1697), a renowned architect from Seville who designed several notable churches and palaces in the city.
5. Catalina Amadiz (1760-1832), a Spanish painter renowned for her portraits and religious works, which can be found in various churches and museums across Spain.
While the Amadiz surname may not be as widely known today, its historical significance and deep roots in the Iberian Peninsula make it a fascinating example of how names can reflect the rich cultural tapestry of a region and its people.
Demographics
Among Census respondents with the surname Amadiz, the largest self-reported group is Hispanic at 96.5%. The next largest groups are White (1.7%) and Asian/Pacific Islander (1.7%).
The bar chart below shows how Amadiz 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 Amadiz surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Amadiz 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.
2010
National surname rank
First available Census row
2020
National surname rank
+12 bearers (+11.7%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #157,234 | 103 | 0.03 | First available Census row | First available Census row |
| 2020 | #145,757 | 115 | 0.04 | +12 bearers (+11.7%) | Up 11,477 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
How has the Amadiz 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 | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #157,234 | #145,757 | 7.3% |
| Count | 103 | 115 | 11.7% |
| Per 100K | 0.03 | 0.04 | 28.2% |
Between the 2010 and 2020 Census, the number of Amadiz bearers went from 103 to 115 (+11.7% change). The surname moved up 11,477 positions in the national ranking, going from #157,234 to #145,757.
FAQ
Name Census estimates that about 132 living Americans carry the surname Amadiz. Using the current population baseline, that works out to roughly 1 in 2,596,624 residents.
Amadiz ranks #145,757 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.
The raw 2020 Census file counted 115 people with the surname Amadiz. That is different from the site's living-bearer estimate (132), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
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 Amadiz.
Between 2010 and 2020, the surname Amadiz went from 103 recorded bearers to 115. That is an increase of 12 (+11.7%). In the national ranking it rose from #157,234 to #145,757.
Among Census respondents with the surname Amadiz, the largest self-reported group is Hispanic at 96.5%. The next largest groups are White (1.7%) and Asian/Pacific Islander (1.7%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Hispanic is the largest self-reported group for the surname Amadiz in the 2020 Census, accounting for 96.5% (111 people in the source table).
Amadiz appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (96.5%), White (1.7%), Asian/Pacific Islander (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.
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 Amadiz (2010, 2020).
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.
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.
A Spanish surname derived from a Germanic name meaning "one who loves God." The fuller origin note on this page goes into more detail.
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.
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 Amadiz (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.
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.