Shining light or bright one
Helayna is a modern phonetic spelling variant of Helena. It ultimately derives from the Greek name Helene, referring to a torch or a ray of sun, famously associated with Helen of Troy.
Less common today
Helayna isn't in the latest US Top 1000. It last peaked at #5,198 in 2007.
US births per 5-year period, 1990βpresent (SSA data).