In 2025, 58 US girls were named Jaci, making it the 2,912th most common girls’ name of the year, up 284 places from #3,196 in 2024. That is 8 more than the 50 girls named Jaci in 2024. Its best rank for girls was #1,075, reached in 2005. That year also had the most girls given the name: 221. For comparison, it was #2,047 in 2015 and #4,965 in 1950.
Social Security card records list Jaci in 79 years of the 146 from 1880 to 2025, starting in 1934 with 5 babies. In all, 5,154 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 1,703 babies named Jaci.
Over the 10 years from 2016 to 2025, 701 US girls were named Jaci; the busiest of those years was 2016, with 89. In 2025 that was about 1 in 27,712 of the girls in SSA’s list for the year.
Among the states, Jaci ranked highest in Louisiana in 2025, at #448 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Jacey (8,531 babies since 1880), Jacie (4,235 babies since 1880), Jacy (4,172 babies since 1880) and Jaycie (4,047 babies since 1880). Rarer spellings such as Jahsi, Jazzi and Jaici are summarised on this page.