Lyndsey is a distinctive girls' name in United States, ranking #928 in 2004 with 260 recorded births. The name reached its all-time peak in 1997 with 417 births ranking #563. Since 1996, the popularity has decreased by 32.5%. In 2004, approximately 1 in every 7,062 girls born was named Lyndsey. FALLING Recent data shows the name is currently falling.