Feminine dossier · first seen 1881
Jo
Endangered
Down 99.6% from peak
Peak era
1954
Peak births
8,052
Current vitality
Rare
Peak generation
Boomer
1881Peak 19542025
Quick answers about Jo
How many people are named Jo?
An estimated 107,191 living Americans are named Jo.
How rare is Jo?
Jo is very rare among babies today, with 36 girls receiving the name in 2025, down 99.6% from its 1954 peak.
How old is the typical Jo?
The median age of a living American named Jo is approximately 72 years, with most bearers falling between 67 and 78 years old.
Is Jo still popular?
No. Jo is endangered as a baby name, down 99.6% from its 1954 peak with 36 births in 2025.
Peak year
1954
Decline from peak
99.6%
2025
36
All-time
179,057