Bright-headed or slender
Kellina is a modern feminine elaboration of the Gaelic name Kelly. It likely derives from the Irish surname Γ Ceallaigh, meaning descendant of Ceallach, which is traditionally interpreted as bright-headed, frequenting churches, or war-like.
Less common today
Kellina isn't in the latest US Top 1000. It last peaked at #7,782 in 1991.
US births per 5-year period, 1990βpresent (SSA data).