Meaning Derived from the Old English meaning 'wide island', traditionally used as a surname. Origin of Sydney English +-100%Zoom level changed to 1 Popular Middle Names Marie, Rose, Elizabeth, Grace, Rae, Jane, Elise, Ann, Alexis, Anne Pronunciation 🔊 Listen Sydney SID-nee Similar Names Lindsey Whitney Kieley Kimori Maryon Tracy Hayley Meabh Shayla Kimberley Year by Year Popularity of Sydney