2000
#131,366
National surname rank
Recorded bearers 119
First available Census row
Per 100,000 0.04
Very Rare Last name
Triantis
A Greek surname derived from the word "triantafyllos" meaning rose or rose flower.
According to the 2020 US Census Bureau surname tables, roughly 131 Americans carry the last name Triantis. That puts it at #146,495 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,616,445 residents).
This page is the full Name Census profile for the Triantis 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
131
1 in 2,616,445
Census rank
#146,495
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
114
very rare in the US
Popularity narrative
The Census Bureau recorded 114 bearers of the surname Triantis in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 146495th position in the national surname ranking.
Among Census respondents with the surname Triantis, the largest self-reported group is White at 87.7%. The next largest groups are Hispanic (9.6%) and American Indian/Alaska Native (1.8%).
Origin
Meaning and origin of Triantis
The surname Triantis is of Greek origin, with its roots traced back to the ancient Greek island of Crete. It is believed to have originated from the Greek word "trias," meaning "three," possibly referring to a family with three sons or a location with three distinct features.
In the early Byzantine period, around the 6th century AD, there are records of families bearing the name Triantis residing in the city of Chania, on the northwestern coast of Crete. These early references suggest that the name was present in the region during the Byzantine Empire's control over the island.
One of the earliest documented references to the Triantis name can be found in a 12th-century manuscript detailing land ownership disputes in the village of Akrotiri, near the city of Chania. The manuscript mentions a family named Triantis as landowners in the area, indicating their presence and influence in medieval Crete.
As the centuries passed, the Triantis name spread beyond Crete to other parts of Greece and regions under Greek cultural influence. In the 15th century, a prominent figure named Ioannis Triantis was a respected scholar and philosopher in Constantinople, the capital of the Byzantine Empire.
During the Ottoman rule over Greece, which lasted from the 15th to the 19th century, the Triantis name continued to be present among Greek communities. A notable bearer of the name was Konstantinos Triantis, a merchant and philanthropist from Thessaloniki, who lived from 1732 to 1805 and contributed significantly to the city's economic and cultural development.
In the 19th century, as the Greek War of Independence unfolded, several individuals with the Triantis surname played important roles in the struggle for Greek freedom. Georgios Triantis (1788-1865) was a prominent military leader and participant in the liberation of Athens, while Dimitrios Triantis (1802-1871) served as a diplomat and politician in the newly established Greek state.
Another notable figure with the Triantis surname was Panagiotis Triantis (1866-1935), a renowned painter and art educator who significantly influenced the development of modern Greek art. His works are displayed in prestigious museums and galleries across Greece and abroad.
Throughout its long history, the Triantis surname has been associated with various professions, from scholars and merchants to military leaders and artists, reflecting the diverse contributions of those who bore this name to Greek culture and society.
Demographics
Ancestry and ethnicity for Triantis
Among Census respondents with the surname Triantis, the largest self-reported group is White at 87.7%. The next largest groups are Hispanic (9.6%) and American Indian/Alaska Native (1.8%).
The bar chart below shows how Triantis 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 Triantis surname at the time of the 2020 Census, not any inherent property of the name itself.
- White87.7% · 100
- Hispanic or Latino9.6% · 11
- American Indian and Alaska Native1.8% · 2
- Two or more races0.9% · 1
Timeline
Historical Census data for Triantis
Triantis 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
#136,449
National surname rank
Recorded bearers 123
+4 bearers (+3.4%)
Per 100,000 0.04
Rank movement Down 5,083 places
2020
#146,495
National surname rank
Recorded bearers 114
-9 bearers (-7.3%)
Per 100,000 0.04
Rank movement Down 10,046 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #131,366 | 119 | 0.04 | First available Census row | First available Census row |
| 2010 | #136,449 | 123 | 0.04 | +4 bearers (+3.4%) | Down 5,083 places |
| 2020 | #146,495 | 114 | 0.04 | -9 bearers (-7.3%) | Down 10,046 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 Triantis 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 | #136,449 | #146,495 | -7.4% |
| Count | 123 | 114 | -7.3% |
| Per 100K | 0.04 | 0.04 | -4.6% |
Between the 2010 and 2020 Census, the number of Triantis bearers went from 123 to 114 (-7.3% change). The surname moved down 10,046 positions in the national ranking, going from #136,449 to #146,495.
FAQ
Triantis surname: questions and answers
How many people in the U.S. have the surname Triantis?
Name Census estimates that about 131 living Americans carry the surname Triantis. Using the current population baseline, that works out to roughly 1 in 2,616,445 residents.
How common is Triantis?
Triantis ranks #146,495 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 114 people with the surname Triantis. That is different from the site's living-bearer estimate (131), 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 Triantis.
Has Triantis become more or less common over time?
Between 2010 and 2020, the surname Triantis went from 123 recorded bearers to 114. That is a decrease of 9 (-7.3%). In the national ranking it fell from #136,449 to #146,495.
What does the Census say about the background of Triantis?
Among Census respondents with the surname Triantis, the largest self-reported group is White at 87.7%. The next largest groups are Hispanic (9.6%) and American Indian/Alaska Native (1.8%). 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 Triantis in the 2020 Census, accounting for 87.7% (100 people in the source table).
What is the full ancestry breakdown?
Triantis appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (87.7%), Hispanic (9.6%), American Indian/Alaska Native (1.8%). 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 Triantis (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 Triantis mean?
A Greek surname derived from the word "triantafyllos" meaning rose or rose flower. 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 Triantis (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 have the surname Triantis?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.