2000
#119,644
National surname rank
Recorded bearers 134
First available Census row
Per 100,000 0.05
Very Rare Last name
Mazzaglia
An Italian surname derived from the medieval given name Mazza, meaning "club" or "mace".
According to the 2020 US Census Bureau surname tables, roughly 135 Americans carry the last name Mazzaglia. That puts it at #143,511 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,538,921 residents).
This page is the full Name Census profile for the Mazzaglia 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
135
1 in 2,538,921
Census rank
#143,511
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
118
very rare in the US
Popularity narrative
The Census Bureau recorded 118 bearers of the surname Mazzaglia in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 143511th position in the national surname ranking.
Among Census respondents with the surname Mazzaglia, the largest self-reported group is White at 89.8%. The next largest groups are Hispanic (9.3%) and Two or More Races (0.8%).
Origin
Meaning and origin of Mazzaglia
The surname Mazzaglia originates from Italy, specifically from the Sicilian region, and its roots can be traced back to the early medieval period. It is derived from the Italian word "mazza," meaning "club" or "mace," and is believed to have been initially used as a descriptive name for an individual who was skilled in wielding a mace or club.
The earliest known recorded instances of the name Mazzaglia can be found in ancient Sicilian documents dating back to the 12th century. During this time, the surname appeared in various spellings, such as "Mazzagghia," "Mazzaglia," and "Mazzaglia," reflecting the regional dialects and linguistic variations of the time.
One notable historical reference to the surname Mazzaglia can be found in the records of the Sicilian nobility from the 14th century. These records mention a family bearing the name Mazzaglia, who held land and titles in the areas around Palermo and Trapani.
In the 15th century, a prominent figure named Pietro Mazzaglia (1420-1492) was a renowned architect and engineer who contributed to the construction of several notable buildings in Sicily, including the Cathedral of Palermo and the Palazzo dei Normanni.
Another individual with the surname Mazzaglia, Francesco Mazzaglia (1570-1632), gained recognition as a skilled sculptor during the Renaissance period. His works adorned several churches and public spaces in cities like Messina and Catania.
During the 16th and 17th centuries, the Mazzaglia family expanded their presence across various regions of Sicily, with some members migrating to other parts of Italy and even establishing settlements in neighboring countries.
One notable example is Vincenzo Mazzaglia (1625-1698), a Sicilian-born merchant who settled in Malta and played a significant role in the island's trade and economic development during the 17th century.
As the centuries passed, the Mazzaglia surname continued to be associated with various professions and endeavors, from artisans and craftsmen to scholars and professionals in various fields.
It is important to note that while this report provides an overview of the historical origins and notable individuals with the surname Mazzaglia, the name's history is complex and may have evolved differently in various regions and contexts over time.
Demographics
Ancestry and ethnicity for Mazzaglia
Among Census respondents with the surname Mazzaglia, the largest self-reported group is White at 89.8%. The next largest groups are Hispanic (9.3%) and Two or More Races (0.8%).
The bar chart below shows how Mazzaglia 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 Mazzaglia surname at the time of the 2020 Census, not any inherent property of the name itself.
- White89.8% · 106
- Hispanic or Latino9.3% · 11
- Two or more races0.8% · 1
Timeline
Historical Census data for Mazzaglia
Mazzaglia 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
#126,018
National surname rank
Recorded bearers 136
+2 bearers (+1.5%)
Per 100,000 0.05
Rank movement Down 6,374 places
2020
#143,511
National surname rank
Recorded bearers 118
-18 bearers (-13.2%)
Per 100,000 0.04
Rank movement Down 17,493 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #119,644 | 134 | 0.05 | First available Census row | First available Census row |
| 2010 | #126,018 | 136 | 0.05 | +2 bearers (+1.5%) | Down 6,374 places |
| 2020 | #143,511 | 118 | 0.04 | -18 bearers (-13.2%) | Down 17,493 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 Mazzaglia 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 | #126,018 | #143,511 | -13.9% |
| Count | 136 | 118 | -13.2% |
| Per 100K | 0.05 | 0.04 | -21.0% |
Between the 2010 and 2020 Census, the number of Mazzaglia bearers went from 136 to 118 (-13.2% change). The surname moved down 17,493 positions in the national ranking, going from #126,018 to #143,511.
FAQ
Mazzaglia surname: questions and answers
How many people in the U.S. have the surname Mazzaglia?
Name Census estimates that about 135 living Americans carry the surname Mazzaglia. Using the current population baseline, that works out to roughly 1 in 2,538,921 residents.
How common is Mazzaglia?
Mazzaglia ranks #143,511 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 118 people with the surname Mazzaglia. That is different from the site's living-bearer estimate (135), 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 Mazzaglia.
Has Mazzaglia become more or less common over time?
Between 2010 and 2020, the surname Mazzaglia went from 136 recorded bearers to 118. That is a decrease of 18 (-13.2%). In the national ranking it fell from #126,018 to #143,511.
What does the Census say about the background of Mazzaglia?
Among Census respondents with the surname Mazzaglia, the largest self-reported group is White at 89.8%. The next largest groups are Hispanic (9.3%) and Two or More Races (0.8%). 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 Mazzaglia in the 2020 Census, accounting for 89.8% (106 people in the source table).
What is the full ancestry breakdown?
Mazzaglia appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (89.8%), Hispanic (9.3%), Two or More Races (0.8%). 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 Mazzaglia (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 Mazzaglia mean?
An Italian surname derived from the medieval given name Mazza, meaning "club" or "mace". 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 Mazzaglia (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 Americans have the surname Mazzaglia?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.