A Beautiful Gender-neutral Name, Lyndsay Is Of British Origins And Means “Lincoln’s Marsh” Or “island Of Linden Trees.” Related To The More Traditional Name, Lindsay, Lyndsay Has Its Roots In The East Midlands Of England And More Specifically, Lincolnshire. This Region Is Steeped In History, Woodland, And Coastline. What More Could You Want From The Unique Baby Name, Lyndsay?