Meaning Jeffrey means serene, peaceful, at ease. Origin of Jeffery German +-100%Zoom level changed to 1 Popular Middle Names Allen, Antonio, Austin, Byrl, Christian, Curtis, Denzel, Dewayne, Donnell, Ernest Pronunciation 🔊 Listen Jeffery JEF-ree Similar Names Jeffrey Jeffry Jeff Geffrey Jefferson Geoffrey Jalen Jaylon Marijus Teyo Year by Year Popularity of Jeffery