In 2025, 393 US girls were named Mckinley, making it the 714th most common girls’ name of the year, up 26 places from #740 in 2024. That is 12 more than the 381 girls named Mckinley in 2024. Its best rank for girls was #379, reached in 2015. The most girls given the name in a single year was 862, in 2014. For comparison, it was #379 in 2015 and unranked in 1950.
In 2025, 30 US boys were named Mckinley, making it the 3,721st most common boys’ name of the year, up 676 places from #4,397 in 2024. That is 6 more than the 24 boys named Mckinley in 2024. Its best rank for boys was #137, reached in 1896. The most boys given the name in a single year was 148, in 1920. For comparison, it was #1,993 in 2015 and #656 in 1950.
Social Security card records list Mckinley in 136 years of the 146 from 1880 to 2025, starting in 1890 with 7 babies. In all, 22,884 US babies have been given the name, 57% of them girls and 43% boys. Its busiest decade was the 2010s, with 7,928 babies named Mckinley.
Over the 10 years from 2016 to 2025, 5,609 US girls were named Mckinley; the busiest of those years was 2016, with 759. In 2025 that was about 1 in 4,090 of the girls in SSA’s list for the year.
Among the states, Mckinley ranked highest in Idaho in 2025, at #232 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Mckinlee (1,582 babies since 1880). Rarer spellings such as Mckynlee, Mckinnley and Mckenley are summarised on this page.