Slender or fair
Kaelis is a modern elaboration of the Gaelic name Cael or the name Kaylee. It combines the traditional Celtic root 'caol', meaning slender, with a stylish suffix to create a contemporary sound. While rare, it follows the trend of adding 's' endings to established names to create a unique identity.
Less common today
Kaelis isn't in the latest US Top 1000. It last peaked at #3,458 in 2025.
US births per 5-year period, 1990βpresent (SSA data).