190019101920193019401950196019701980199020002010202002,0004,0006,0008,000Birth years of American girls named JoThe median living girl named Jo was born around 1954 and ranges from 65 to 77 years old.

Black line: # babies given name that year. Shaded area: # people from that year alive w/ that name as of Jan. 2024.


Download the data for the current chart or look up a random popular name.

Records prior to 1940 are estimates and should be taken with a grain of salt.

Records after 1985 are based on Social Security records and are quite reliable.

Code and analysis by Randy Olson Methods from FiveThirtyEight
Data from SSA.gov [1] [2]