Gracious
Gionni is a modern phonetic spelling of Gianni, which is the Italian diminutive of Giovanni. It ultimately derives from the Hebrew name Yochanan, meaning 'God is gracious.'
Less common today
Gionni isn't in the latest US Top 1000. It last peaked at #1,042 in 2012.
US births per 5-year period, 1990βpresent (SSA data).
Reality television personality known as the husband of Snooki