Meaning A girl's name of English origin, it means "Variant of Sydney, meaning "From St. Denis."" Origin of Cydnee English Popular Middle Names Elizabeth Pronunciation 🔊 Listen Cydnee Similar Names Cydney Cidney Dennise Denisha Denice Deniece Denissa Denyse Sydnee Arlene Year by Year Popularity of Cydnee