How Many People Are Named Thaddeaus?
people named Thaddeaus are alive in the United States today (estimate)
About 1 in 2,778,738 people in the US has this name
Based on 138 babies named Thaddeaus in Social Security records from 1918 to 2010, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
10 births
Trend
Last year given
⚧ Gender Distribution
All of the babies given the name Thaddeaus in the records were boys.
👥 Age Distribution
The average person named Thaddeaus alive today is about 33 years old, and 60% are between 30 and 59. Half of them were between 24 and 40 in 2025.
📈 Popularity Over Time
Thaddeaus first appears in the records in 1918 and was given most often in 1993, to 10 babies. The last year it was given to at least 5 babies of one sex was 2010.
Babies given the name each year, 1918 to 2010
🏆 Rank History
Thaddeaus has never been one of the 100 most popular boys' names. Its best rank was #4,128, in 1978.
| Boys | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #4,128 (1978) |
| Years in the top 100 | None |
| Rank in its biggest decade | #9,338 in the 1990s |
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