How old is someone named Silas?
The average Silas is 13 years old.
Half of all living Silases are between 4 and 15.
When was Silas popular?
Silas is a comeback name. It was common in the early 1900s, nearly disappeared by mid-century, and has returned, peaking again 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 | 509 | 0 |
| 1910s | 1,553 | 0 |
| 1920s | 2,036 | under 100 |
| 1930s | 1,482 | 170 |
| 1940s | 1,276 | 540 |
| 1950s | 1,050 | 690 |
| 1960s | 753 | 610 |
| 1970s | 922 | 830 |
| 1980s | 1,175 | 1,100 |
| 1990s | 1,907 | 1,800 |
| 2000s | 7,326 | 7,200 |
| 2010s | 29,704 | 29,000 |
| 2020s | 24,550 | 24,000 |
How many Silases are still alive?
About 67,000 Silases are alive in the US today. That's 88% of the roughly 76,000 babies named Silas since 1880.
Most Silases ever born are still alive.
What generation is the name Silas?
About two in three living Silases are in Gen Alpha, born in 2013 or later.
Is Silas an old name?
No. Silas is one of the youngest names around: younger than 89 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Silas will be 24 in 2056, so the name is aging slowly.
Is Silas a boy or girl name?
Almost entirely boys: 99.7% of living Silases are men.
Names the same age as Silas
NAME TWIN
Silas's name twin is Gemma. Of all 3,713 names on AgeByName, Gemma's age curve is the closest match to Silas's: 95% alike.
Other spellings: Sylas (9)
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Questions about the name Silas
How old is the average Silas?
The average Silas in the US is 13 years old. The median is 9, so half are older and half younger.
How many people are named Silas?
About 67,000 Silases are alive in the US today, out of roughly 76,000 babies given the name since 1880.
When was the name Silas most popular?
In 2025, when about 4,600 baby boys were named Silas.
Is Silas a Gen Alpha name?
Yes. About 71% of living Silases 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