How Many People Are Named Thadeus?
people named Thadeus are alive in the United States today (estimate)
About 1 in 445,612 people in the US has this name
Based on 1,123 babies named Thadeus in Social Security records from 1912 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
27 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
All of the babies given the name Thadeus in the records were boys.
👥 Age Distribution
The average person named Thadeus alive today is about 34 years old, and 50% are between 30 and 59. Half of them were between 20 and 47 in 2025.
📈 Popularity Over Time
Thadeus first appears in the records in 1912 and was given most often in 1918, to 27 babies. In 2025, 6 babies got the name.
Babies given the name each year, 1912 to 2025
🏆 Rank History
Thadeus has never been one of the 100 most popular boys' names. Its best rank was #1,397, in 1918. In 2025 it ranked #11,841.
| Boys | |
|---|---|
| Rank in 2025 | #11,841 |
| Best rank | #1,397 (1918) |
| Years in the top 100 | None |
| Rank in its biggest decade | #4,861 in the 2000s |
📍 State-Wise Distribution
People named Thadeus alive today, by the state where they were born (estimate; state records start in 1910).
More people named Thadeus were born in Pennsylvania than in any other state: about 5 of those alive today.
Look up another name
⊙ We don't save the names you search.