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How Many People Are Named Jo?
Estimated people named Jo living in the U.S. today
102,870
Gender distribution
1% male · 99% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 180,866
- Peak year: 1954 (8,077 births)
- Estimated living today: 102,870
Jo by age group — who carries the name today?
Jo popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Jo
Jo has been recorded by the Social Security Administration since the 19th century dataset began. In total, 180,866 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 102,870 bearers are still living — roughly 1 in 3,323 Americans. The name's strongest decade shapes how old most Jos you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Jo in the US?
An estimated 102,870 people named Jo are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Jo uncommon — about 1 in 3,323 Americans.
Is Jo a boy or girl name?
In SSA records, Jo is 1% male and 99% female, so it is predominantly a female name.
When was Jo most popular?
Jo peaked in 1954, when 8,077 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Jo?
Jo ranks #514 of 104,819 first names recorded by the SSA, with a rarity score of 41 out of 100 (higher means rarer).