In 2025, 112 US girls were named Joni, making it the 1,803rd most common girls’ name of the year, up 73 places from #1,876 in 2024. That is 5 more than the 107 girls named Joni in 2024. Its best rank for girls was #204, reached in 1956. That year also had the most girls given the name: 1,576. For comparison, it was #3,407 in 2015 and #1,339 in 1950.
Social Security card records list Joni in 94 years of the 146 from 1880 to 2025, starting in 1930 with 7 babies. In all, 29,502 US babies have been given the name, 98% of them girls and 2.3% boys. Its busiest decade was the 1950s, with 9,262 babies named Joni.
Over the 10 years from 2016 to 2025, 794 US girls were named Joni; the busiest of those years was 2025, with 112. In 2025 that was about 1 in 14,351 of the girls in SSA’s list for the year.
Among the states, Joni ranked highest in Oregon in 2025, at #588 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Johnie (26,074 babies since 1880), Jonnie (9,061 babies since 1880), Joanie (5,549 babies since 1880) and Johny (3,597 babies since 1880). Rarer spellings such as Joani, Jonee and Joniya are summarised on this page.