How old is someone named Sylvester?
The average Sylvester is 57 years old.
Half of all living Sylvesters are between 44 and 73.
When was Sylvester popular?
Parents have been choosing Sylvester less often since its peak in 1920; 64 babies got the name in 2025.
Popular names of 1920 · The most popular names of the 1920s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 1,411 | 0 |
| 1910s | 5,542 | 0 |
| 1920s | 7,028 | under 100 |
| 1930s | 5,233 | 640 |
| 1940s | 5,405 | 2,300 |
| 1950s | 6,230 | 4,100 |
| 1960s | 3,869 | 3,100 |
| 1970s | 2,312 | 2,100 |
| 1980s | 2,024 | 1,900 |
| 1990s | 1,212 | 1,200 |
| 2000s | 735 | 720 |
| 2010s | 677 | 670 |
| 2020s | 393 | 390 |
How many Sylvesters are still alive?
About 17,000 Sylvesters are alive in the US today. That's 39% of the roughly 44,000 babies named Sylvester since 1880.
Most Sylvesters ever born have died: the name was most popular in 1920, long enough ago that many of those babies are gone.
What generation is the name Sylvester?
About two in five living Sylvesters are Baby Boomers, born between 1946 and 1964.
Is Sylvester an old name?
Yes. Sylvester is older than 86 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Sylvester will be 54 in 2056, about the same as today.
Is Sylvester a boy or girl name?
Almost entirely boys: 99.2% of living Sylvesters are men.
Names the same age as Sylvester
NAME TWIN
Sylvester's name twin is Norris. Of all 3,713 names on AgeByName, Norris's age curve is the closest match to Sylvester's: 95% alike.
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Questions about the name Sylvester
How old is the average Sylvester?
The average Sylvester in the US is 57 years old. The median is 63, so half are older and half younger.
How many people are named Sylvester?
About 17,000 Sylvesters are alive in the US today, out of roughly 44,000 babies given the name since 1880.
When was the name Sylvester most popular?
In 1920, when about 820 baby boys were named Sylvester.
Is Sylvester a Boomer name?
Partly. Baby Boomers are the largest group, about 42% of living Sylvesters, 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