Gracious
Janiyla is a modern American creation, likely formed by blending the name Jane or Jan with the popular suffix -ayla. It shares the etymological root of Jane, which is derived from the Hebrew name Yochanan, meaning 'God is gracious'.
Less common today
Janiyla isn't in the latest US Top 1000. It last peaked at #4,536 in 2013.
US births per 5-year period, 1990βpresent (SSA data).