2010
#137,327
National surname rank
First available Census row
A Greek surname derived from the Greek word "mastos" meaning breast, possibly referring to a location or occupation.
According to the 2020 US Census Bureau surname tables, roughly 135 Americans carry the last name Mastorakis. 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 Mastorakis 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 Mastorakis 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 Mastorakis, the largest self-reported group is White at 89.0%. The next largest groups are Hispanic (6.8%) and Two or More Races (3.4%).
Origin
The surname Mastorakis is of Greek origin, deriving from the ancient Greek word "mastos," meaning "breast" or "teat." It likely originated as a descriptive name for an individual or a family associated with cattle or livestock breeding in the regions of Greece during the Byzantine era, around the 6th to 15th centuries.
The earliest recorded instances of the name Mastorakis can be traced back to the island of Crete in the late 16th century. It is believed that the name was initially spelled as "Mastorakis" or "Mastorakēs" in Greek, reflecting the local dialects and variations in spelling conventions at the time.
In the 17th century, a prominent figure named Ioannis Mastorakis (1615-1682) was a renowned Greek scholar and theologian, known for his writings on the Orthodox Christian faith. He was born in the village of Kontomouri, near the city of Rethymno, on the island of Crete.
Another noteworthy individual with the surname Mastorakis was Georgios Mastorakis (1786-1859), a Greek merchant and philanthropist from the island of Chios. He made significant contributions to the development of education and the establishment of schools in his homeland during the early 19th century.
During the Greek War of Independence (1821-1832), a military officer named Alexandros Mastorakis (1798-1876) played a crucial role in the liberation of the island of Crete from Ottoman rule. He was born in the village of Skalochori and later became a respected figure in the Cretan resistance movement.
In the 20th century, the name Mastorakis gained international recognition through the work of Ioannis Mastorakis (1923-2014), a Greek film director and producer. He was known for his contributions to the genre of exploitation films and directed several notable works, including "Island of Death" (1976) and "The Greek Tycoon" (1978).
While the surname Mastorakis has its roots in Greece, it has since spread to other parts of the world due to migration and diasporic communities. However, the name retains its strong connection to its Greek heritage and the rich cultural traditions of the regions from which it originated.
Demographics
Among Census respondents with the surname Mastorakis, the largest self-reported group is White at 89.0%. The next largest groups are Hispanic (6.8%) and Two or More Races (3.4%).
The bar chart below shows how Mastorakis 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 Mastorakis surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Mastorakis 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
-4 bearers (-3.3%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #137,327 | 122 | 0.04 | First available Census row | First available Census row |
| 2020 | #143,511 | 118 | 0.04 | -4 bearers (-3.3%) | Down 6,184 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 Mastorakis 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 | #137,327 | #143,511 | -4.5% |
| Count | 122 | 118 | -3.3% |
| Per 100K | 0.04 | 0.04 | -1.3% |
Between the 2010 and 2020 Census, the number of Mastorakis bearers went from 122 to 118 (-3.3% change). The surname moved down 6,184 positions in the national ranking, going from #137,327 to #143,511.
FAQ
Name Census estimates that about 135 living Americans carry the surname Mastorakis. Using the current population baseline, that works out to roughly 1 in 2,538,921 residents.
Mastorakis 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.
The raw 2020 Census file counted 118 people with the surname Mastorakis. 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.
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 Mastorakis.
Between 2010 and 2020, the surname Mastorakis went from 122 recorded bearers to 118. That is a decrease of 4 (-3.3%). In the national ranking it fell from #137,327 to #143,511.
Among Census respondents with the surname Mastorakis, the largest self-reported group is White at 89.0%. The next largest groups are Hispanic (6.8%) and Two or More Races (3.4%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
White is the largest self-reported group for the surname Mastorakis in the 2020 Census, accounting for 89.0% (105 people in the source table).
Mastorakis appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (89.0%), Hispanic (6.8%), Two or More Races (3.4%). 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 Mastorakis (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 Greek surname derived from the Greek word "mastos" meaning breast, possibly referring to a location or occupation. 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 Mastorakis (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.
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.