Jo
Jo was the 4028th most popular name for girls in 2025, given to 36 babies. Its best year was 1947, when it ranked 51st; the most babies were born in 1954 (8,052). Over the last ten years it has moved up 1,015 places. More babies were named Jo in the 1950s than in any other decade.
Meaning short form of Joan, Josephine and others · English, Hebrew
Say it JOH /dʒoʊ/
- Rank in 2025
- #4,028 girls, up 20 places since 2020
- Babies in 2025
- 36girls
- Girls and boys
- 87% girls, 13% boys2021–2025
- Peak year
- 19548,052 babies
- Total since 1880
- 180,911babies recorded
What does the name Jo mean?
Jo is a short form of girls' names beginning with Jo-, chiefly Joan and Joanna but also Josephine and Jolene, as Wiktionary notes; for boys it is a variant of Joe (Joseph). Joan and Joanna go back to Hebrew Yoḥanan 'YHWH is gracious', and Joseph to Yosef 'he will add'. Jo March, the heroine of Louisa May Alcott's Little Women (1868), is a famous bearer.
יוֹחָנָן (Yoḥanan) (Biblical Hebrew, “YHWH is gracious”)
How sure is this? Well established.
Related names: Joan, Joanna, Josephine, Joe, Jody.
See also: English names.
Sources for this meaning
- Wiktionary, entry 'Jo', Wiktionary (CC BY-SA 4.0; facts restated, no text reused)
- Dictionary of Medieval Names from European Sources, ed. S. L. Uckelman, Edition 2023 no. 1, s.v. 'Joan', DMNES (Durham University)
Jo popularity since 1880
| Year | Rank (girls) | Rank (boys) | Babies (girls) | Babies (boys) |
|---|---|---|---|---|
| 2025 | #4,028 | #9,273 | 36 | 8 |
| 2020 | #4,048 | #9,098 | 35 | 8 |
| 2010 | #15,876 | #10,174 | 6 | 7 |
| 2000 | #4,870 | #5,166 | 24 | 14 |
| 1990 | #1,725 | #7,579 | 85 | 6 |
| 1980 | #540 | #2,786 | 349 | 17 |
| 1970 | #272 | #1,676 | 1,103 | 27 |
| 1960 | #134 | #1,246 | 3,371 | 40 |
| 1950 | #64 | #1,303 | 5,676 | 31 |
| 1940 | #72 | #1,419 | 3,427 | 23 |
| 1930 | #131 | #1,206 | 1,871 | 35 |
| 1920 | #444 | #1,528 | 231 | 25 |
| 1910 | #676 | — | 40 | — |
| 1900 | #753 | — | 24 | — |
| 1890 | #1,146 | — | 7 | — |
| 1880 | — | — | — | — |
How popular is Jo, counting every spelling?
Jo has no other common spelling that sounds the same.
How many kids will share the name Jo?
36 of the 3,606,400 babies born in the US in 2025 were named Jo (0.01 per 1,000 births). For a girl named Jo born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 233 (of 430 pupils) would have a child named Jo.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Jo?
About 111,000 people born in the US named Jo are alive today, with a median age of 72; half are between 67 and 78. That makes Jo a name most people associate with older generations.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Jo by state
How common Jo was among girls born in each state in 2021–2025. In 49 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Jo: their share of US girls followed the most similar curve since 1880. If you like Jo, they share its era and feel.
Middle names for Jo · Sibling names for Jo
Jo is also a nickname for Josephine, Josie, Joanna, Jocelyn, Jolene, Johanna, Joelle and Joan.
Questions about the name Jo
What does Jo mean?
Jo means “short form of Joan, Josephine and others” (English, Hebrew origin). Certainty: well established.
How popular is the name Jo?
Jo was the 4028th most popular name for girls in 2025, given to 36 babies. Its best year was 1947, when it ranked 51st; the most babies were born in 1954 (8,052). Over the last ten years it has moved up 1,015 places. More babies were named Jo in the 1950s than in any other decade.
Is Jo a boy or girl name?
In 2021–2025, 87% girls, 13% boys given the name Jo in the US.
Where is Jo most popular?
In 2021–2025, Jo was most common in Texas (0.03 per 1,000 girls), followed by California and California.