How old is someone named Sylvie?
The average Sylvie is 12 years old.
Half of all living Sylvies are between 3 and 14.
When was Sylvie popular?
Sylvie is a modern favorite: it climbed through the 2000s and hit its high in 2025. 1,096 babies got the name in 2025.
Popular names of 2025 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 5 | 0 |
| 1910s | 22 | 0 |
| 1920s | 11 | 0 |
| 1930s | 17 | 0 |
| 1940s | 17 | under 100 |
| 1950s | 97 | under 100 |
| 1960s | 242 | 210 |
| 1970s | 145 | 140 |
| 1980s | 159 | 150 |
| 1990s | 285 | 280 |
| 2000s | 883 | 870 |
| 2010s | 2,271 | 2,300 |
| 2020s | 4,290 | 4,300 |
How many Sylvies are still alive?
About 8,300 Sylvies are alive in the US today. That's 98% of the roughly 8,400 babies named Sylvie since 1909.
Nearly every Sylvie ever born is still alive, because almost all of them are young.
What generation is the name Sylvie?
Three in four living Sylvies are in Gen Alpha, born in 2013 or later.
- Boomer 2%
- Gen X 3%
- Millennial 4%
- Gen Z 18%
- Gen Alpha 73%
Is Sylvie an old name?
No. Sylvie is one of the youngest names around: younger than 91 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Sylvie will be 21 in 2056, so the name is aging slowly.
Is Sylvie a boy or girl name?
Almost entirely girls: over 99.9% of living Sylvies are women.
Names the same age as Sylvie
NAME TWIN
Sylvie's name twin is Rome. Of all 3,713 names on AgeByName, Rome's age curve is the closest match to Sylvie's: 92% alike.
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Questions about the name Sylvie
How old is the average Sylvie?
The average Sylvie in the US is 12 years old. The median is 6, so half are older and half younger.
How many people are named Sylvie?
About 8,300 Sylvies are alive in the US today, out of roughly 8,400 babies given the name since 1909.
When was the name Sylvie most popular?
In 2025, when about 1,100 baby girls were named Sylvie.
Is Sylvie a Gen Alpha name?
Yes. About 73% of living Sylvies are in Gen Alpha, born in 2013 or later.
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