Gracious
Janesha is a modern American invention, likely created by combining the prefix 'Ja-' with the name Nesha or as a variation of Jane. It ultimately derives from the Hebrew name Yochanan, meaning 'God is gracious'.
Less common today
Janesha isn't in the latest US Top 1000. It last peaked at #2,840 in 1994.
US births per 5-year period, 1990βpresent (SSA data).