In 2025, 119 US girls were named Karoline, making it the 1,718th most common girls’ name of the year, up 233 places from #1,951 in 2024. That is 17 more than the 102 girls named Karoline in 2024. Its best rank for girls was #1,576, reached in 2017. That year also had the most girls given the name: 139. For comparison, it was #1,615 in 2015 and #3,551 in 1950.
Social Security card records list Karoline in 95 years of the 146 from 1880 to 2025, starting in 1915 with 6 babies. In all, 3,862 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 1,115 babies named Karoline.
Over the 10 years from 2016 to 2025, 1,036 US girls were named Karoline; the busiest of those years was 2017, with 139. In 2025 that was about 1 in 13,506 of the girls in SSA’s list for the year.
Among the states, Karoline ranked highest in Arkansas in 2025, at #611 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Carolyn (558,397 babies since 1880), Caroline (250,719 babies since 1880), Carolina (48,108 babies since 1880) and Karolyn (5,957 babies since 1880).