Jo Girl
How popular is Jo?
#3,974 girl name in 2025
36 baby girls were named Jo in the US in 2025, making it the 3974th most popular girl name. Another 8 boys got the name (#8,906 for boys).
117,927living people named Jo (est.)
73median age of people named Jo
180,911babies named Jo since 1880
1 in 75,349US babies born in 2025
Jo popularity over time
Boys Girls
| Rank in 2025 | #3,974 for girls (▲ 232 from 2024) |
|---|---|
| Babies in 2025 | 36 girls, 8 boys |
| 10-year trend | Rising (+33% babies vs 2015) |
| Earlier ranks | #4,979 in 2015, #4,004 in 2020 |
| Peak year | 1954 (8,052 girls) |
| Highest rank | #51 in 1947 |
| First recorded | 1881 |
| Boys vs girls (last 10 years) | 13% boys, 87% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Where Jo is most popular
Babies named Jo per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
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- Texas: 0.0 per 1,000 (25 girls)
- California: 0.0 per 1,000 (12 girls)
Jo by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1880s | 69 | #606 |
| 1890s | 140 | #695 |
| 1900s | 311 | #546 |
| 1910s | 1,192 | #437 |
| 1920s | 6,896 | #140 |
| 1930s | 28,653 | #70 |
| 1940s | 48,449 | #51 |
| 1950s | 63,939 | #53 |
| 1960s | 20,197 | #134 |
| 1970s | 5,918 | #272 |
| 1980s | 1,985 | #540 |
| 1990s | 609 | #1,712 |
| 2000s | 223 | #4,276 |
| 2010s | 246 | #3,738 |
| 2020s | 230 | #3,386 |
Girl names about as popular as Jo
Questions
- Is Jo a boy or girl name?
- Jo is mostly a girl name. Over the last 10 years, 87% of babies named Jo were girls.
- How popular is the name Jo?
- 36 baby girls were named Jo in the US in 2025, making it the 3974th most popular girl name. Another 8 boys got the name (#8,906 for boys).
- When was Jo most popular?
- Jo peaked in 1954, when 8,052 girls were given the name. Its highest rank was #51 in 1947.
- How many people are named Jo?
- 180,911 babies have been named Jo in the US since 1880. We estimate about 117,927 of them are alive in 2026, with a median age of 73.
- Where is Jo most popular?
- From 2021 to 2025, Jo was most common in Texas, at 0.0 of every 1,000 girls 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.