Girls name · California
Jo in California
Jo was the 2627th most popular girls name in California in 2025, with 7 babies named Jo that year. Since 1920, California families have named 9,497 babies Jo.
Popularity over time
Jo in California, year by year
| Year | Babies | State rank |
|---|---|---|
| 1920 | 5 | 530th |
| 1932 | 58 | 126th |
| 1943 | 269 | 55th |
| 1954 | 422 | 81st |
| 1966 | 104 | 267th |
| 1977 | 19 | 906th |
| 1988 | 8 | 2155th |
| 2025 | 7 | 2627th |
Its rank among girls names in California fell from 530th in 1920 to 2627th in 2025.
The most babies named Jo in California in a single year was 422, in 1954. Its best showing was 52nd among girls names in 1944.
Across the country, Jo reached its best rank of 16th in Texas (1935). See Jo in every state →
How popular is Jo in California?
Jo was the 2627th most popular girls name in California in 2025, with 7 babies named Jo that year. Since 1920, California families have named 9,497 babies Jo.
How many babies are named Jo in California?
In 2025, 7 babies were named Jo in California. The most babies named Jo in California in a single year was 422, in 1954.
What is the rank of Jo in California?
Jo ranked 2627th among girls names in California in 2025. Its best showing was 52nd among girls names in 1944.
Source: U.S. Social Security Administration, names by state of birth (public domain). Counts below 5 in a state-year are omitted by the SSA for privacy.