2010
#148,347
National surname rank
First available Census row
A surname derived from the Greek word "million" or "million", potentially referring to someone wealthy or affluent.
According to the 2020 US Census Bureau surname tables, roughly 122 Americans carry the last name Milionis. That puts it at #152,339 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,809,462 residents).
This page is the full Name Census profile for the Milionis 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
122
1 in 2,809,462
Census rank
#152,339
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
106
very rare in the US
Popularity narrative
The Census Bureau recorded 106 bearers of the surname Milionis in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 152339th position in the national surname ranking.
Among Census respondents with the surname Milionis, the largest self-reported group is White at 94.3%. The next largest groups are Two or More Races (4.7%) and Hispanic (0.9%).
Origin
The surname MILIONIS originates from Greece and can be traced back to the 15th century. It is derived from the Greek word "milion," which means "mile" or "a unit of distance measurement." The name likely referred to someone who lived or worked a certain distance away from a town or village.
In the early 16th century, the name MILIONIS appeared in several historical records and documents in the Greek islands, particularly on the island of Crete. One of the earliest recorded instances was in a land deed from 1512, which mentioned a farmer named Georgios MILIONIS.
During the Byzantine period, the name was sometimes spelled as "MILIONI" or "MILIONOS." These variations were likely due to regional dialects and the influence of other languages, such as Italian and Turkish, which had a presence in certain parts of Greece at the time.
One notable individual with the surname MILIONIS was Konstantinos MILIONIS (1834-1912), a Greek politician and diplomat who served as the Minister of Foreign Affairs for Greece in the late 19th century. He played a crucial role in negotiations with the Ottoman Empire and other European powers during a period of territorial disputes and conflicts in the region.
Another prominent figure was Eleni MILIONIS (1876-1964), a Greek writer and feminist activist. She was one of the pioneering voices for women's rights in Greece and published several novels and essays advocating for gender equality and social reforms.
In the 18th century, the name MILIONIS was also found in some records from the island of Cephalonia, which was under Venetian rule at the time. A merchant named Alexandros MILIONIS (1725-1798) was mentioned in trade documents, indicating the family's involvement in maritime commerce.
The MILIONIS surname can also be traced to the village of Milies, located in the region of Pelion, Central Greece. It is believed that some families adopted the name as a reference to their place of origin, with "Milies" being a variation of the Greek word "milion."
Throughout its history, the surname MILIONIS has been associated with various professions, including farmers, merchants, politicians, and intellectuals. Despite its relatively rare occurrence, it has left its mark on the cultural heritage of Greece and serves as a reminder of the country's rich linguistic and historical traditions.
Demographics
Among Census respondents with the surname Milionis, the largest self-reported group is White at 94.3%. The next largest groups are Two or More Races (4.7%) and Hispanic (0.9%).
The bar chart below shows how Milionis 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 Milionis surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Milionis 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
-5 bearers (-4.5%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #148,347 | 111 | 0.04 | First available Census row | First available Census row |
| 2020 | #152,339 | 106 | 0.04 | -5 bearers (-4.5%) | Down 3,992 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 Milionis 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 | #148,347 | #152,339 | -2.7% |
| Count | 111 | 106 | -4.5% |
| Per 100K | 0.04 | 0.04 | -11.3% |
Between the 2010 and 2020 Census, the number of Milionis bearers went from 111 to 106 (-4.5% change). The surname moved down 3,992 positions in the national ranking, going from #148,347 to #152,339.
FAQ
Name Census estimates that about 122 living Americans carry the surname Milionis. Using the current population baseline, that works out to roughly 1 in 2,809,462 residents.
Milionis ranks #152,339 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 106 people with the surname Milionis. That is different from the site's living-bearer estimate (122), 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 Milionis.
Between 2010 and 2020, the surname Milionis went from 111 recorded bearers to 106. That is a decrease of 5 (-4.5%). In the national ranking it fell from #148,347 to #152,339.
Among Census respondents with the surname Milionis, the largest self-reported group is White at 94.3%. The next largest groups are Two or More Races (4.7%) and Hispanic (0.9%). 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 Milionis in the 2020 Census, accounting for 94.3% (100 people in the source table).
Milionis appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.3%), Two or More Races (4.7%), Hispanic (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.
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 Milionis (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 surname derived from the Greek word "million" or "million", potentially referring to someone wealthy or affluent. 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 Milionis (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.