Moon or shining light
Shelena is likely a modern elaboration of the Greek name Selene, the personification of the moon. It may also be influenced by the name Helena, which shares the root meaning of shining light or torch. As a rare variant, it offers a unique twist on classic celestial names.
Less common today
Shelena isn't in the latest US Top 1000. It last peaked at #8,061 in 1990.
US births per 5-year period, 1990βpresent (SSA data).