2000
#133,114
National surname rank
First available Census row
A Greek surname meaning "gift from God".
According to the 2020 US Census Bureau surname tables, roughly 139 Americans carry the last name Theodoridis. That puts it at #141,309 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,465,859 residents).
This page is the full Name Census profile for the Theodoridis 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
139
1 in 2,465,859
Census rank
#141,309
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
121
very rare in the US
Popularity narrative
The Census Bureau recorded 121 bearers of the surname Theodoridis in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 141309th position in the national surname ranking.
Among Census respondents with the surname Theodoridis, the largest self-reported group is White at 99.2%. The next largest groups are Black (0.8%).
Origin
The surname THEODORIDIS has its origins in Greece, where it first emerged in the 9th century AD. It is derived from the Greek name "Theodoros", which means "gift of God". The suffix "-idis" indicates patronymic descent, meaning that the name was originally used to identify someone as the son of a man named Theodoros.
The earliest recorded instances of the name can be found in Byzantine manuscripts and chronicles from the 9th to 12th centuries. These documents mention individuals with the surname THEODORIDIS who held various positions in the Byzantine Empire, such as military officers, clergymen, and scholars.
One notable figure was Niketas THEODORIDIS, a Byzantine general who served under Emperor Basil II in the early 11th century. He played a crucial role in several military campaigns against the Bulgarians and was praised for his strategic prowess.
Another prominent individual was Michael THEODORIDIS, a philosopher and theologian who lived in the late 12th century. He was renowned for his works on Aristotelian logic and his contributions to the intellectual discourse of the time.
In the 13th century, a wealthy merchant family by the name of THEODORIDIS was mentioned in Venetian trade records. This family had established commercial ties with the Byzantine Empire and played a significant role in the flourishing trade between Venice and the Eastern Mediterranean.
During the Ottoman period, the surname THEODORIDIS continued to be found among Greek communities in various regions of the Ottoman Empire. One notable figure from this period was Georgios THEODORIDIS, a scholar and teacher who lived in the late 17th century and was known for his work in preserving Greek culture and education.
In the 19th century, several individuals with the surname THEODORIDIS participated in the Greek War of Independence against the Ottoman Empire. One such individual was Konstantinos THEODORIDIS, a military leader who fought alongside other Greek revolutionaries and played a crucial role in the liberation of various regions.
As the surname THEODORIDIS has a long history in Greece, it has been associated with various places and regions within the country. For example, there are villages and towns in areas such as Thessaly, Epirus, and Macedonia where the name has been particularly prevalent.
Demographics
Among Census respondents with the surname Theodoridis, the largest self-reported group is White at 99.2%. The next largest groups are Black (0.8%).
The bar chart below shows how Theodoridis 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 Theodoridis surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Theodoridis 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.
2000
National surname rank
First available Census row
2010
National surname rank
-3 bearers (-2.6%)
2020
National surname rank
+7 bearers (+6.1%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #133,114 | 117 | 0.04 | First available Census row | First available Census row |
| 2010 | #145,220 | 114 | 0.04 | -3 bearers (-2.6%) | Down 12,106 places |
| 2020 | #141,309 | 121 | 0.04 | +7 bearers (+6.1%) | Up 3,911 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 Theodoridis 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 | #145,220 | #141,309 | 2.7% |
| Count | 114 | 121 | 6.1% |
| Per 100K | 0.04 | 0.04 | 1.2% |
Between the 2010 and 2020 Census, the number of Theodoridis bearers went from 114 to 121 (+6.1% change). The surname moved up 3,911 positions in the national ranking, going from #145,220 to #141,309.
FAQ
Name Census estimates that about 139 living Americans carry the surname Theodoridis. Using the current population baseline, that works out to roughly 1 in 2,465,859 residents.
Theodoridis ranks #141,309 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 121 people with the surname Theodoridis. That is different from the site's living-bearer estimate (139), 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 Theodoridis.
Between 2010 and 2020, the surname Theodoridis went from 114 recorded bearers to 121. That is an increase of 7 (+6.1%). In the national ranking it rose from #145,220 to #141,309.
Among Census respondents with the surname Theodoridis, the largest self-reported group is White at 99.2%. The next largest groups are Black (0.8%). 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 Theodoridis in the 2020 Census, accounting for 99.2% (120 people in the source table).
Theodoridis appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (99.2%), Black (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.
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 Theodoridis (2000, 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 meaning "gift from 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 Theodoridis (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 quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.