Boys' name · peaked in 2025
Silas name popularity since 1925
71,102 babies born in the US from 1925 to 2025 were named Silas. Half of them were born in 2016 or earlier, so the typical Silas is about 10 years old in 2026. Silas peaked in 2025 as the #71 name for boys, and it ranked #71 in 2025.
Key facts
- US babies since 1925
- 71,102
- Named Silas, 1925–2025
- In 2025
- #71
- for boys in 2025 (4,639 babies)
- Girls / boys
- 99.7% boys
- 179 girls · 70,923 boys
- Most popular in
- Oregon
- 2.17× its national share
Peak year is the year Silas made up the largest share of US boys, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Silas births per year, 1925–2025
2025 was the biggest year for Silas both by count and as a share of all babies.
- Fastest rise: Between 2008 and 2013, Silas became 3.4× more common, from 1 in 1,900 baby boys to 1 in 554.
Shaded on the chart. This compares Silas's share of all US boys five years apart, counting only years with at least 100 babies named Silas.
Decade by decade
Babies named Silas in each decade, and its rank among boys' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 0 | 957 | – |
| 1930s | 0 | 1,482 | #474 |
| 1940s | 0 | 1,276 | #576 |
| 1950s | 0 | 1,050 | #770 |
| 1960s | 0 | 753 | #784 |
| 1970s | 0 | 922 | #791 |
| 1980s | 0 | 1,175 | #838 |
| 1990s | 0 | 1,907 | #756 |
| 2000s | 18 | 7,308 | #412 |
| 2010s | 75 | 29,629 | #128 |
| 2020–25 | 86 | 24,464 | #71 |
Ranks count every name given to at least 5 boys that year, so they can go past 1,000.
Generation fingerprint
67.5% of babies named Silas from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:
Where Silas is most popular
The index compares Silas's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Silas.
| State | Index | Babies |
|---|---|---|
| Oregon | 2.17× | 1,374 |
| Washington | 1.90× | 2,140 |
| Montana | 1.82× | 359 |
| Idaho | 1.79× | 481 |
| Kentucky | 1.77× | 2,004 |
Other spellings
Spellings that sound like Silas and were given to at least 1,000 boys from 1925 to 2025, with the year each one was most popular.
| Spelling | Boys | Peak year |
|---|---|---|
| Silas (this page) | 70,923 | 2025 |
| Sylas | 8,889 | 2025 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Silas's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Silas.
Names from the same era
Other common names that peaked within two years of Silas (2025).
Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data