Meaning A variation of the English name 'John', 'Sion' is a Welsh name of Hebrew origin, meaning 'Yahweh (God) is gracious'. Origin of Sion Hebrew +-100%Zoom level changed to 1 Popular Middle Names Jace Pronunciation 🔊 Listen Sion SIYahN Similar Names Jonnie Shaun Shane Ioan Shayne Ryan John Joey Ifan Ieuan Efan Year by Year Popularity of Sion