Thadis
An uncommon masculine name of unknown meaning and origin.
Name Census estimates that about 13 living Americans carry the first name Thadis. The name is used almost exclusively for boys. The average person named Thadis today is around 75 years old, and the year with the single highest number of Thadis births was 1934 (6 babies).
This page is the full Name Census profile for Thadis. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
Key insights
- • The typical person named Thadis is about 75 years old today, placing it firmly among the names of earlier generations. Most living Thadis' were born before 1961.
- • Fewer than 100 living Americans are believed to carry the name Thadis. It is among the rarest names in the SSA records.
People living today
13
~ 1 in 26,365,718 Americans
Peak year
1934
6 babies that year
Average age
75
years old
1960 SSA rank
#4,549
Tracked since 1920
Popularity
Thadis: popularity over time
The SSA tracks Thadis from the 1920s through to the 1960s, spanning 5 decades of birth certificate data. The biggest single decade for the name was the 1930s, with 11 total registrations. Although the numbers have come down from the 1930s peak, Thadis remains solidly in use and shows no sign of disappearing from maternity wards.
Babies born per year
Decades
Thadis by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Thadis during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Origin
Meaning and history of Thadis
The name Thadis is an obscure one, with its origins shrouded in mystery. It is believed to have originated from ancient Thracian or Dacian tribes that inhabited the regions around the Black Sea and the Balkan Peninsula during the 5th century BCE.
One theory suggests that Thadis may have its roots in the Proto-Indo-European word "thadus," which meant "strong" or "brave." This would align with the warrior culture of the Thracian and Dacian tribes, who were known for their fierce fighting spirit and valor in battle.
Another theory posits that Thadis is a variation of the Greek name "Thadieus," which itself is derived from the Hebrew name "Theodoros," meaning "gift of God." This connection could hint at a possible religious or spiritual significance associated with the name in ancient times.
Historical records mentioning individuals with the name Thadis are scarce, but a few notable examples can be found. One of the earliest known references is from the 2nd century CE, where a Roman soldier named Thadis is mentioned in a military inscription found in the ruins of Dacia (modern-day Romania).
In the 6th century CE, a Thracian chieftain named Thadis is recorded as leading a rebellion against the Byzantine Empire in the region of Thrace (modern-day Bulgaria and parts of Greece and Turkey). While the rebellion was ultimately unsuccessful, Thadis's name lived on in local folklore and legends.
During the Middle Ages, a monk named Thadis is mentioned in a 12th-century manuscript from a monastery in southern France. He is said to have been a renowned scholar and scribe, responsible for preserving and copying numerous ancient texts.
In the 16th century, a Spanish explorer named Thadis de Carvajal accompanied the famous conquistador Francisco Pizarro on his expedition to conquer the Inca Empire in Peru. Thadis's journal from this expedition provides valuable insights into the early encounters between the Spanish and the indigenous populations of South America.
Finally, in the 19th century, a German philosopher and writer named Thadis Krummel gained recognition for his works on ethics and social justice. His ideas influenced the early socialist movements in Europe during that period.
While the name Thadis may have faded into obscurity over time, these historical figures serve as a reminder of its rich and diverse origins, spanning various cultures, time periods, and walks of life.
People
Thadis + last name combinations
How many people share a full name with Thadis as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with T
Other first names starting with T with a similar number of bearers.
FAQ
Thadis: questions and answers
How many people in the U.S. are named Thadis?
Name Census puts the figure at roughly 13 living Americans. We arrive at this by taking every SSA birth registration for Thadis going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 26,365,718 US residents.
Is Thadis a common name?
We classify Thadis as "Very Rare". It ranks above 33.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 31 babies have been registered with this name.
When was Thadis most popular?
The single biggest year for Thadis was 1934, when 6 babies received the name. The fact that the average living Thadis is about 75 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
What does the SSA popularity chart show?
The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Thadis in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Thadis a male name?
Yes, 100.0% of people registered as Thadis in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Is Thadis still being used today?
Yes. The SSA still recorded Thadis in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.
Why can a name have a lot of living bearers even if it is not trendy now?
Because living-bearer counts and current baby-name popularity measure different things. A name like Thadis can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.
Does every first name have Census demographic data?
No. The public Census first-name release only covers names that met the Bureau's publication rules, so many rarer names in the SSA files do not have a published Census demographic snapshot. In those cases, the page still shows the SSA trend, gender history, and state data.
How many people have the name Thadis?
If you just want to know how many people share the name Thadis, HowManyOfMe.org gives you the headline number in one glance.