Updated June 9, 2019 Share: Boy name origins & meanings Slavic : God is gracious Boy name variations Jan Jan + 10% this year Neutral Rare Find out more Jana Jana - 6% this year Neutral Rare Find out more Janae Janae - 2% this year Masculine Rare Find out more Jann Jann 0 % this year Masculine Rare Find out more Jano Jano 0 % this year Masculine Rare Find out more Jenda Jenda 0 % this year Masculine Rare Find out more Jhan Jhan 0 % this year Masculine Rare Find out more Yan Yan + 12% this year Masculine Rare Find out more How Popular Is The Name Jahn Family name origins & meanings German and Dutch : from a reduced form of the personal name Johann(es) (see John).Eastern German : from the Czech personal name Jan, also a form of John.