Lindsey \l(i)-nd-sey, lin-dsey\ as a girl's name (also used as boy's name Lindsey), is a variant of Lindsay (Old English), and the meaning of Lindsey is "Lincoln's marsh; island of linden trees". See also Lyndsey.
The baby name Lindsey sounds like Lindsy, Lindsee and Lindsea. Other similar baby names are Lindey and Linsey.