Meaning Variant of Silas, the name means in the forest or woods. Origin of Sylis Latin +-100%Zoom level changed to 1 Popular Middle Names Raymond Pronunciation 🔊 Listen Sylis SY-LIS Similar Names Cylas Cylus Forster Forrester Sylus Basajaun Sylas Boyce Yanlin Osvaldo Year by Year Popularity of Sylis