Gracious
Shenia is often considered a variant of Shania or Jane, ultimately derived from the Hebrew name Yochanan. It carries the meaning of divine favor or grace. While rare, it gained some visibility in the late 20th century alongside similar phonetic names.
Less common today
Shenia isn't in the latest US Top 1000. It last peaked at #4,940 in 1996.
US births per 5-year period, 1990βpresent (SSA data).