Josiah Boy
How popular is Josiah?
#54 boy name in 2025
5,509 baby boys were named Josiah in the US in 2025, making it the 54th most popular boy name. Another 13 girls got the name (#7,883 for girls).
Josiah popularity over time
Boys Girls
| Rank in 2025 | #54 for boys (▼ 1 from 2024) |
|---|---|
| Babies in 2025 | 5,509 boys, 13 girls |
| 10-year trend | Falling (-17% babies vs 2015) |
| Earlier ranks | #57 in 2015, #49 in 2020 |
| Peak year | 2017 (7,079 boys) |
| Highest rank | #45 in 2019 |
| First recorded | 1880 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 4% in a class of 25 kids born in 2025 |
Josiah counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Josiah family of names ranked #61 for boys in 2025 (#55 the year before), with 5,762 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Josiah | 5,509 | 96% |
| Joziah | 221 | 4% |
| Josyah | 12 | 0% |
| Jossiah | 14 | 0% |
| Jozyah | 6 | 0% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Josiah is most popular
Babies named Josiah per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Delaware: 7.3 per 1,000 (110 boys)
- New Mexico: 7.1 per 1,000 (235 boys)
- Rhode Island: 6.5 per 1,000 (106 boys)
- Mississippi: 6.1 per 1,000 (344 boys)
- District of Columbia: 5.4 per 1,000 (79 boys)
Josiah by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1880s | 193 | #332 |
| 1890s | 108 | #435 |
| 1900s | 77 | #619 |
| 1910s | 308 | #713 |
| 1920s | 278 | #1,188 |
| 1930s | 206 | #1,344 |
| 1940s | 164 | #1,471 |
| 1950s | 195 | #1,546 |
| 1960s | 173 | #1,495 |
| 1970s | 945 | #581 |
| 1980s | 4,406 | #370 |
| 1990s | 10,916 | #193 |
| 2000s | 33,258 | #86 |
| 2010s | 63,132 | #45 |
| 2020s | 34,599 | #49 |
Boy names about as popular as Josiah
Questions
- Is Josiah a boy or girl name?
- Josiah is mostly a boy name. Over the last 10 years, 100% of babies named Josiah were boys.
- How popular is the name Josiah?
- 5,509 baby boys were named Josiah in the US in 2025, making it the 54th most popular boy name. Another 13 girls got the name (#7,883 for girls).
- When was Josiah most popular?
- Josiah peaked in 2017, when 7,079 boys were given the name. Its highest rank was #45 in 2019.
- How many people are named Josiah?
- 149,420 babies have been named Josiah in the US since 1880. We estimate about 146,461 of them are alive in 2026, with a median age of 12.
- Where is Josiah most popular?
- From 2021 to 2025, Josiah was most common in Delaware, at 7.3 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.