Meaning of Evan. English name. In English, the name Evan means-god is good. Other origins for the name Evan include-English, Celtic, Hebrew, Welsh, Scottish.The name Evan is most often used as a boy name or male name.English Name Meaning-god is good.Origin-England.eaning of Evan. English name. In English, the name Evan means-god is good. Other origins for the name Evan include-English, Celtic, Hebrew, Welsh, Scottish.The name Evan is most often used as a boy name or male name. English Name Meaning-god is good. Origin-England.