Slender or fair
Kella is a rare name with multiple potential roots. It is often considered a shortened form of the Irish name McKella or a variant of Kelly, meaning slender or fair. In some contexts, it is also viewed as a diminutive of the Germanic name Michaela, meaning 'who is like God'.
Less common today
Kella isn't in the latest US Top 1000. It last peaked at #5,680 in 2013.
A character in the fantasy series Β· The Books of Pellinor
US births per 5-year period, 1990βpresent (SSA data).