Fewer than five US girls were named Kortney in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #677, reached in 1990. That year also had the most girls given the name: 316. For comparison, it was #6,597 in 2015 and unranked in 1950.
Social Security card records list Kortney in 56 years of the 146 from 1880 to 2025, starting in 1966 with 5 babies. In all, 5,749 US babies have been given the name, 92% of them girls and 7.6% boys. Its busiest decade was the 1990s, with 2,603 babies named Kortney.
Over the 10 years from 2016 to 2025, 71 US girls were named Kortney; the busiest of those years was 2016, with 15.
Related spellings in the SSA files include Courtney (281,432 babies since 1880), Cortney (20,096 babies since 1880), Kourtney (14,765 babies since 1880) and Kortni (1,189 babies since 1880). Rarer spellings such as Kortnie are summarised on this page.