Meaning A boy's name of Gaelic origin, it means "From Michael's Fortress." Origin of Kermichaef Gaelic , Irish Popular Middle Names Pronunciation 🔊 Listen Kermichaef Similar Names Leannan Beagin Frannsaidh Gayner Gervin Muireach Raghallach Steaphan Kerk Dallan Year by Year Popularity of Kermichaef