Gracious
Giovan is a shortened or dialectal variation of Giovanni, the Italian form of John. It ultimately derives from the Hebrew name Yochanan, signifying that the divine has shown favor or grace.
Less common today
Giovan isn't in the latest US Top 1000. It last peaked at #2,294 in 1999.
16th-century Italian cryptologist
Italian Renaissance sculptor
US births per 5-year period, 1990βpresent (SSA data).