Pure, slender, or meadow
Kaylenn is a modern American invention, likely created by blending the name Kay with the suffix -lenn. It draws etymological roots from the Greek 'katharos' meaning pure, or the Gaelic 'caol' meaning slender. It is often chosen for its soft, melodic sound and contemporary feel.
Less common today
Kaylenn isn't in the latest US Top 1000. It last peaked at #9,240 in 2014.
US births per 5-year period, 1990βpresent (SSA data).