Gracious
Jahne is a modern phonetic variant of Jane, which ultimately derives from the Hebrew name Yochanan. It signifies the belief that God has been gracious in granting a child. While rare, this spelling adds a contemporary flair to a deeply traditional and classic name.
Less common today
Jahne isn't in the latest US Top 1000. It last peaked at #6,610 in 1995.
US births per 5-year period, 1990βpresent (SSA data).