Slender or fair
Keyleen is a modern American invention, likely created as a phonetic blend of the name Kay or the prefix Key- with the popular Irish-inspired suffix -leen. It is often associated with the Irish name Caoilinn, which means slender or fair, or seen as a variation of Kayleen.
About 5 girls were named Keyleen in 2025.
US births per 5-year period, 1990–present (SSA data).
