Seth Boy
How popular is Seth?
#581 boy name in 2025
505 baby boys were named Seth in the US in 2025, making it the 581st most popular boy name.
156,773living people named Seth (est.)
29median age of people named Seth
166,288babies named Seth since 1880
1 in 6,565US babies born in 2025
Seth popularity over time
Boys Girls
| Rank in 2025 | #581 for boys (▼ 26 from 2024) |
|---|---|
| Babies in 2025 | 505 boys |
| 10-year trend | Falling fast (-63% babies vs 2015) |
| Earlier ranks | #270 in 2015, #432 in 2020 |
| Peak year | 2000 (6,717 boys) |
| Highest rank | #63 in 2000 |
| First recorded | 1880 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.4% in a class of 25 kids born in 2025 |
Where Seth is most popular
Babies named Seth per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
Seth by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1880s | 270 | #268 |
| 1890s | 168 | #348 |
| 1900s | 181 | #430 |
| 1910s | 642 | #531 |
| 1920s | 874 | #602 |
| 1930s | 612 | #725 |
| 1940s | 852 | #573 |
| 1950s | 2,101 | #443 |
| 1960s | 3,787 | #319 |
| 1970s | 16,584 | #101 |
| 1980s | 31,129 | #89 |
| 1990s | 42,213 | #65 |
| 2000s | 48,161 | #63 |
| 2010s | 14,671 | #164 |
| 2020s | 3,548 | #432 |
Boy names about as popular as Seth
Questions
- Is Seth a boy or girl name?
- Seth is mostly a boy name. Over the last 10 years, 100% of babies named Seth were boys.
- How popular is the name Seth?
- 505 baby boys were named Seth in the US in 2025, making it the 581st most popular boy name.
- When was Seth most popular?
- Seth peaked in 2000, when 6,717 boys were given the name. Its highest rank was #63 in 2000.
- How many people are named Seth?
- 166,288 babies have been named Seth in the US since 1880. We estimate about 156,773 of them are alive in 2026, with a median age of 29.
- Where is Seth most popular?
- From 2021 to 2025, Seth was most common in Alaska, at 1.5 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.