Gracious
Cianni is a modern American invention likely derived from the Italian name Gianni, a diminutive of Giovanni. It follows the trend of adding a 'C' prefix to established names, resulting in a contemporary feminine choice with roots in the Hebrew name Yochanan.
Less common today
Cianni isn't in the latest US Top 1000. It last peaked at #4,398 in 2000.
US births per 5-year period, 1990βpresent (SSA data).