How old is someone named Thaddeus?
The average Thaddeus is 37 years old.
Half of all living Thaddeuses are between 15 and 54.
When was Thaddeus popular?
Thaddeus has never really gone out of style. Parents have chosen it every year for more than a century; its busiest year was 2016.
Popular names of 2016 · The most popular names of the 2010s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 155 | 0 |
| 1910s | 1,793 | 0 |
| 1920s | 2,421 | under 100 |
| 1930s | 1,220 | 140 |
| 1940s | 1,427 | 620 |
| 1950s | 2,192 | 1,400 |
| 1960s | 2,101 | 1,700 |
| 1970s | 2,906 | 2,600 |
| 1980s | 2,409 | 2,300 |
| 1990s | 2,361 | 2,300 |
| 2000s | 2,050 | 2,000 |
| 2010s | 3,090 | 3,100 |
| 2020s | 1,760 | 1,700 |
How many Thaddeuses are still alive?
About 18,000 Thaddeuses are alive in the US today. That's 69% of the roughly 26,000 babies named Thaddeus since 1880.
Roughly half of all Thaddeuses ever born are still living.
What generation is the name Thaddeus?
About one in four living Thaddeuses are in Gen Alpha, born in 2013 or later.
Is Thaddeus an old name?
Somewhat. Thaddeus is older than 61 in 100 names on AgeByName, but younger than plenty of classics.
Looking ahead: if babies keep getting the name at today's pace, the typical Thaddeus will be 39 in 2056, about the same as today.
Is Thaddeus a boy or girl name?
Almost entirely boys: 99.9% of living Thaddeuses are men.
Names the same age as Thaddeus
NAME TWIN
Thaddeus's name twin is Reuben. Of all 3,713 names on AgeByName, Reuben's age curve is the closest match to Thaddeus's: 92% alike.
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Questions about the name Thaddeus
How old is the average Thaddeus?
The average Thaddeus in the US is 37 years old. The median is 36, so half are older and half younger.
How many people are named Thaddeus?
About 18,000 Thaddeuses are alive in the US today, out of roughly 26,000 babies given the name since 1880.
When was the name Thaddeus most popular?
In 2016, when about 420 baby boys were named Thaddeus.
Is Thaddeus a Gen Alpha name?
Partly. Gen Alpha are the largest group, about 23% of living Thaddeuses, but the name spans several generations.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this