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 Liosliath Peadar Bealantin Gabhan Gearald Gille Mungan Raibeart Stiabhan Kermichil Year by Year Popularity of Kermichaef