Gracious
Janiyha is a modern American creation, likely a creative elaboration of the name Janiyah. It combines the 'Jan-' prefix, rooted in the Hebrew name Yochanan (John), with a rhythmic, contemporary suffix.
Less common today
Janiyha isn't in the latest US Top 1000. It last peaked at #7,068 in 2007.
US births per 5-year period, 1990βpresent (SSA data).