Fewer than five US girls were named Kathie in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #274, reached in 1954. That year also had the most girls given the name: 948. For comparison, it was unranked (under five girls) in 2015 and #308 in 1950.
Social Security card records list Kathie in 95 years of the 146 from 1880 to 2025, starting in 1918 with 7 babies. In all, 15,086 US babies have been given the name, all of them girls. Its busiest decade was the 1950s, with 7,066 babies named Kathie.
Over the 10 years from 2016 to 2025, 34 US girls were named Kathie; the busiest of those years was 2017, with 14.
Related spellings in the SSA files include Karen (990,774 babies since 1880), Catherine (669,611 babies since 1880), Katherine (652,750 babies since 1880) and Kathy (334,870 babies since 1880).