Fewer than five US girls were named Johna in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #1,100, reached in 1963. That year also had the most girls given the name: 98. For comparison, it was unranked (under five girls) in 2015 and #2,486 in 1950.
Social Security card records list Johna in 86 years of the 146 from 1880 to 2025, starting in 1925 with 11 babies. In all, 2,462 US babies have been given the name, 99.7% of them girls and 0.2% boys. Its busiest decade was the 1960s, with 633 babies named Johna.
Over the 10 years from 2016 to 2025, 13 US girls were named Johna; the busiest of those years was 2016, with 8.
Related spellings in the SSA files include Jonna (5,564 babies since 1880), Joanna (112,067 babies since 1880), Jonah (86,075 babies since 1880) and Johanna (54,376 babies since 1880).