Slender or pure
Kaelei is a modern American phonetic spelling variant of Kayley or Kaylee. It likely derives from the Irish surname O'Caollaidhe, meaning 'descendant of Caollaidhe' (slender), or is a combination of the popular name elements Kay and Lee.
Less common today
Kaelei isn't in the latest US Top 1000. It last peaked at #7,418 in 2005.
US births per 5-year period, 1990–present (SSA data).
