Recorded 2000–2025 · United States
Casyn was most popular in 2014, when 46 American babies were given the name — ranking #5,903 that year. In 2025 it ranked #10,985, with 18 births. Across 1880–2025 the Social Security Administration has recorded 536 people named Casyn.
Across the whole record Casyn is a boy’s name — 4.9% of the 536 Americans given it were girls and 95.2% were boys. In births since 2016 it is 0% girls and 100% 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 Casyn on the interactive charts
Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org