How old is someone named Lilia?
The average Lilia is 30 years old.
Half of all living Lilias are between 12 and 46.
When was Lilia popular?
Most of the Lilias in the country were born in the last 15 years. The name peaked in 2025 and is still near the top.
Popular names of 2025 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 115 | 0 |
| 1910s | 238 | 0 |
| 1920s | 590 | under 100 |
| 1930s | 483 | under 100 |
| 1940s | 352 | 210 |
| 1950s | 712 | 560 |
| 1960s | 923 | 810 |
| 1970s | 1,353 | 1,300 |
| 1980s | 1,186 | 1,100 |
| 1990s | 1,485 | 1,500 |
| 2000s | 2,492 | 2,500 |
| 2010s | 2,734 | 2,700 |
| 2020s | 1,590 | 1,600 |
How many Lilias are still alive?
About 12,000 Lilias are alive in the US today. That's 86% of the roughly 14,000 babies named Lilia since 1884.
Most Lilias ever born are still alive.
What generation is the name Lilia?
About one in three living Lilias are in Gen Z, born between 1997 and 2012.
Is Lilia an old name?
Somewhat. Lilia is older than 51 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 Lilia will be 36 in 2056, so the name is aging slowly.
Is Lilia a boy or girl name?
Almost entirely girls: over 99.9% of living Lilias are women.
Names the same age as Lilia
NAME TWIN
Lilia's name twin is Mariano. Of all 3,713 names on AgeByName, Mariano's age curve is the closest match to Lilia's: 92% alike.
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Questions about the name Lilia
How old is the average Lilia?
The average Lilia in the US is 30 years old. The median is 23, so half are older and half younger.
How many people are named Lilia?
About 12,000 Lilias are alive in the US today, out of roughly 14,000 babies given the name since 1884.
When was the name Lilia most popular?
In 2025, when about 320 baby girls were named Lilia.
Is Lilia a Gen Z name?
Partly. Gen Z are the largest group, about 32% of living Lilias, 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