Gracious
Jania is a modern elaboration of Jane or Jan, ultimately derived from the Hebrew name Yochanan. It combines the traditional roots of 'God is gracious' with a rhythmic, feminine suffix popular in contemporary American naming.
Less common today
Jania isn't in the latest US Top 1000. It last peaked at #1,188 in 2005.
Social media personality and model
US births per 5-year period, 1990βpresent (SSA data).