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Names › Jo
Jo
Recorded 180,911 times in US records since 1881. Peak year: 1954.
#6099 ↗
U.S. rank · 2025
1 in 75,349
U.S. · 2025 records
Extraordinary
rarity tier
≈117,000
alive today (estimate) ⓘ
↗ rising
10-yr trend
How many Jos are there?

Alive in the US today estimate

Roughly 117,000 Jos are alive in the US today, we estimate. About 1 in 2,900 Americans.

Made from recorded births by year and sex, multiplied by survival to today's age (SSA life table). It can't see immigration, and it's an estimate, not a census: how the living estimate is made.

Popularity over time

Jo through the years, 1881–2025

1954 · 8,077 8,077 0
18812025
Peak Jo year: 1954 (ringed), with 8,077 recorded. Current usage: ~87% girls. counts of people issued a Social Security number, not a full count of births.

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Every figure on this page is computed from the U.S. Social Security Administration's national baby-names data (ssa.gov), and the living estimate uses the SSA actuarial life table: how we calculate this. Data through 2025; refreshed Jun 2026; living estimate as of 2026.