How old is someone named Thalia?
The average Thalia is 23 years old.
Half of all living Thalias are between 10 and 31.
When was Thalia popular?
Thalia has been rising for years and peaked in 1993, so most Thalias are still kids.
Popular names of 1993 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 48 | 0 |
| 1910s | 189 | 0 |
| 1920s | 300 | 0 |
| 1930s | 297 | under 100 |
| 1940s | 263 | 150 |
| 1950s | 300 | 240 |
| 1960s | 459 | 400 |
| 1970s | 370 | 350 |
| 1980s | 512 | 500 |
| 1990s | 3,815 | 3,700 |
| 2000s | 3,850 | 3,800 |
| 2010s | 3,234 | 3,200 |
| 2020s | 2,616 | 2,600 |
How many Thalias are still alive?
About 15,000 Thalias are alive in the US today. That's 93% of the roughly 16,000 babies named Thalia since 1885.
Nearly every Thalia ever born is still alive, because almost all of them are young.
What generation is the name Thalia?
About two in five living Thalias are in Gen Z, born between 1997 and 2012.
Is Thalia an old name?
Not really. Thalia is younger than 64 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Thalia will be 32 in 2056, so the name is aging slowly.
Is Thalia a boy or girl name?
Almost entirely girls: over 99.9% of living Thalias are women.
Names the same age as Thalia
NAME TWIN
Thalia's name twin is Harley. Of all 3,713 names on AgeByName, Harley's age curve is the closest match to Thalia's: 88% alike.
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Questions about the name Thalia
How old is the average Thalia?
The average Thalia in the US is 23 years old. The median is 22, so half are older and half younger.
How many people are named Thalia?
About 15,000 Thalias are alive in the US today, out of roughly 16,000 babies given the name since 1885.
When was the name Thalia most popular?
In 1993, when about 700 baby girls were named Thalia.
Is Thalia a Gen Z name?
Partly. Gen Z are the largest group, about 38% of living Thalias, 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