Is Jo a boy or girl name?
Jo is used for both, more often for girls in the US. In 2024, 33 girls and 11 boys were named Jo, so 75% were girls. Across 1880–2024, 99% of the 180,866 US babies named Jo were girls.
- Boy rank, 2024
- #7,449
- Girl rank, 2024
- #4,314
- Babies named Jo since 1881
- 180,866
- Most popular year
- 1954
- 8,077 babies
Boys and girls named Jo, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1880s | 0 | 69 | 100% |
| 1890s | 0 | 140 | 100% |
| 1900s | 0 | 311 | 100% |
| 1910s | 74 | 1,192 | 94.2% |
| 1920s | 165 | 6,896 | 97.7% |
| 1930s | 278 | 28,653 | 99% |
| 1940s | 273 | 48,449 | 99.4% |
| 1950s | 284 | 63,941 | 99.6% |
| 1960s | 206 | 20,195 | 99% |
| 1970s | 176 | 5,918 | 97.1% |
| 1980s | 153 | 1,985 | 92.8% |
| 1990s | 77 | 609 | 88.8% |
| 2000s | 80 | 223 | 73.6% |
| 2010s | 52 | 246 | 82.6% |
| 2020s | 28 | 193 | 87.3% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 11 | #7,449 | 33 | #4,314 |
| 2023 | 9 | #8,551 | 47 | #3,397 |
| 2022 | 0 | – | 36 | #4,071 |
| 2021 | 0 | – | 42 | #3,639 |
| 2020 | 8 | #9,086 | 35 | #4,045 |
| 2019 | 0 | – | 34 | #4,208 |
| 2018 | 6 | #11,418 | 40 | #3,758 |
| 2017 | 9 | #8,470 | 40 | #3,806 |
| 2016 | 7 | #10,176 | 34 | #4,296 |
| 2015 | 0 | – | 27 | #5,043 |
| 2014 | 6 | #11,373 | 18 | #6,841 |
| 2013 | 0 | – | 15 | #7,950 |
| 2012 | 11 | #7,274 | 18 | #6,984 |
| 2011 | 6 | #11,493 | 14 | #8,393 |
| 2010 | 7 | #10,172 | 6 | #15,875 |
| 2009 | 0 | – | 18 | #7,184 |
| 2008 | 7 | #10,420 | 17 | #7,556 |
| 2007 | 12 | #6,844 | 18 | #7,234 |
| 2006 | 7 | #10,082 | 25 | #5,452 |
| 2005 | 0 | – | 17 | #6,975 |
| 2004 | 9 | #7,840 | 18 | #6,616 |
| 2003 | 11 | #6,469 | 29 | #4,467 |
| 2002 | 12 | #5,892 | 29 | #4,329 |
| 2001 | 8 | #7,896 | 28 | #4,372 |
| 2000 | 14 | #5,166 | 24 | #4,870 |
| 1999 | 10 | #6,255 | 45 | #2,956 |
| 1998 | 8 | #7,174 | 52 | #2,630 |
| 1997 | 5 | #9,972 | 58 | #2,317 |
| 1996 | 8 | #6,783 | 44 | #2,775 |
| 1995 | 6 | #8,280 | 58 | #2,293 |
| 1994 | 5 | #9,501 | 64 | #2,132 |
| 1993 | 9 | #5,968 | 60 | #2,201 |
| 1992 | 11 | #5,047 | 70 | #1,973 |
| 1991 | 9 | #5,723 | 73 | #1,922 |
| 1990 | 6 | #7,578 | 85 | #1,725 |
| 1989 | 13 | #4,152 | 89 | #1,578 |
| 1988 | 5 | #7,843 | 111 | #1,306 |
| 1987 | 18 | #2,886 | 132 | #1,130 |
| 1986 | 7 | #5,612 | 109 | #1,251 |
| 1985 | 21 | #2,463 | 171 | #926 |
| 1984 | 14 | #3,185 | 210 | #769 |
| 1983 | 20 | #2,450 | 207 | #771 |
| 1982 | 19 | #2,553 | 267 | #665 |
| 1981 | 19 | #2,535 | 340 | #547 |
| 1980 | 17 | #2,786 | 349 | #540 |
| 1979 | 18 | #2,636 | 306 | #589 |
| 1978 | 21 | #2,245 | 323 | #549 |
| 1977 | 18 | #2,509 | 365 | #509 |
| 1976 | 13 | #3,010 | 417 | #461 |
| 1975 | 13 | #2,990 | 520 | #392 |
| 1974 | 10 | #3,436 | 587 | #366 |
| 1973 | 16 | #2,446 | 665 | #332 |
| 1972 | 19 | #2,117 | 722 | #325 |
| 1971 | 21 | #2,012 | 910 | #302 |
| 1970 | 27 | #1,677 | 1,103 | #272 |
| 1969 | 21 | #1,836 | 1,164 | #251 |
| 1968 | 9 | #2,990 | 1,325 | #226 |
| 1967 | 13 | #2,293 | 1,409 | #214 |
| 1966 | 16 | #2,003 | 1,591 | #200 |
| 1965 | 12 | #2,415 | 1,851 | #183 |
| 1964 | 23 | #1,677 | 2,052 | #184 |
| 1963 | 21 | #1,769 | 2,189 | #177 |
| 1962 | 29 | #1,462 | 2,449 | #167 |
| 1961 | 22 | #1,762 | 2,794 | #152 |
| 1960 | 40 | #1,247 | 3,371 | #134 |
| 1959 | 27 | #1,540 | 4,054 | #115 |
| 1958 | 20 | #1,802 | 5,226 | #91 |
| 1957 | 36 | #1,306 | 5,717 | #83 |
| 1956 | 30 | #1,430 | 6,954 | #69 |
| 1955 | 33 | #1,326 | 7,656 | #58 |
| 1954 | 25 | #1,543 | 8,052 | #53 |
| 1953 | 24 | #1,567 | 7,513 | #54 |
| 1952 | 34 | #1,281 | 7,092 | #55 |
| 1951 | 24 | #1,540 | 6,001 | #67 |
| 1950 | 31 | #1,303 | 5,676 | #64 |
| 1949 | 30 | #1,331 | 5,802 | #60 |
| 1948 | 34 | #1,240 | 5,986 | #56 |
| 1947 | 30 | #1,349 | 6,724 | #51 |
| 1946 | 18 | #1,719 | 5,828 | #53 |
| 1945 | 32 | #1,173 | 4,224 | #60 |
| 1944 | 21 | #1,507 | 4,226 | #61 |
| 1943 | 31 | #1,249 | 4,300 | #63 |
| 1942 | 22 | #1,513 | 4,175 | #65 |
| 1941 | 32 | #1,178 | 3,757 | #66 |
| 1940 | 23 | #1,420 | 3,427 | #72 |
| 1939 | 21 | #1,476 | 3,524 | #70 |
| 1938 | 28 | #1,261 | 3,172 | #78 |
| 1937 | 29 | #1,250 | 3,226 | #73 |
| 1936 | 22 | #1,438 | 3,292 | #72 |
| 1935 | 34 | #1,132 | 3,296 | #73 |
| 1934 | 32 | #1,183 | 3,257 | #75 |
| 1933 | 25 | #1,346 | 2,541 | #90 |
| 1932 | 18 | #1,752 | 2,388 | #103 |
| 1931 | 34 | #1,182 | 2,086 | #116 |
| 1930 | 35 | #1,206 | 1,871 | #131 |
| 1929 | 27 | #1,398 | 1,593 | #140 |
| 1928 | 21 | #1,673 | 1,168 | #179 |
| 1927 | 17 | #1,989 | 974 | #203 |
| 1926 | 12 | #2,492 | 815 | #222 |
| 1925 | 14 | #2,261 | 635 | #264 |
| 1924 | 13 | #2,409 | 534 | #285 |
| 1923 | 14 | #2,280 | 385 | #334 |
| 1922 | 13 | #2,411 | 302 | #376 |
| 1921 | 9 | #3,105 | 259 | #417 |
| 1920 | 25 | #1,528 | 231 | #444 |
| 1919 | 11 | #2,588 | 227 | #437 |
| 1918 | 15 | #2,115 | 199 | #479 |
| 1917 | 7 | #3,393 | 145 | #563 |
| 1916 | 11 | #2,468 | 152 | #539 |
| 1915 | 10 | #2,538 | 128 | #571 |
| 1914 | 5 | #3,504 | 103 | #550 |
| 1913 | 9 | #2,018 | 89 | #538 |
| 1912 | 0 | – | 68 | #593 |
| 1911 | 6 | #1,638 | 41 | #680 |
| 1910 | 0 | – | 40 | #676 |
| 1909 | 0 | – | 41 | #610 |
| 1908 | 0 | – | 46 | #548 |
| 1907 | 0 | – | 33 | #660 |
| 1906 | 0 | – | 34 | #619 |
| 1905 | 0 | – | 34 | #606 |
| 1904 | 0 | – | 26 | #692 |
| 1903 | 0 | – | 29 | #617 |
| 1902 | 0 | – | 25 | #678 |
| 1901 | 0 | – | 19 | #754 |
| 1900 | 0 | – | 24 | #753 |
| 1899 | 0 | – | 17 | #801 |
| 1898 | 0 | – | 17 | #830 |
| 1897 | 0 | – | 16 | #811 |
| 1896 | 0 | – | 20 | #715 |
| 1895 | 0 | – | 11 | #1,017 |
| 1894 | 0 | – | 15 | #802 |
| 1893 | 0 | – | 9 | #1,048 |
| 1892 | 0 | – | 13 | #846 |
| 1891 | 0 | – | 15 | #710 |
| 1890 | 0 | – | 7 | #1,146 |
| 1889 | 0 | – | 11 | #824 |
| 1888 | 0 | – | 7 | #1,084 |
| 1887 | 0 | – | 5 | #1,222 |
| 1886 | 0 | – | 14 | #621 |
| 1885 | 0 | – | 11 | #676 |
| 1884 | 0 | – | 7 | #888 |
| 1883 | 0 | – | 9 | #669 |
| 1882 | 0 | – | 0 | – |
| 1881 | 0 | – | 5 | #881 |
Highest rank
As a boy name, Jo reached #1,132 in 1935. As a girl name, it reached #51 in 1947. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.
Names from the same era
These names were also most popular in the 1950s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.
Names spelled like Jo
Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.