Meaning A girl's name of English origin, it means "linden-tree island." Origin of Lyndsey English +-100%Zoom level changed to 1 Popular Middle Names Bella, Diana, Faith, Karen Pronunciation 🔊 Listen Lyndsey Similar Names Lyndsay Lynzee Lynzie Lyndall Lyndee Lyndi Lindi Lindy Lynda Lindy. Bell Year by Year Popularity of Lyndsey