Recorded 1992–2025 · United States
Mackinley was most popular in 2012, when 37 American babies were given the name — ranking #6,911 that year. In 2025 it ranked #13,540, with 13 births. Across 1880–2025 the Social Security Administration has recorded 787 people named Mackinley.
Across the whole record Mackinley is a unisex name — 54.8% of the 787 Americans given it were girls and 45.2% were boys. It changed hands: since 2011 it has gone mainly to girls, having gone mainly to boys before that. In births since 2016 it is 73% girls and 27% boys.
Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.
See Mackinley on the interactive charts
Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org