Lyndsey is a distinctive girls' name in United States, ranking #1835 in 2009 with 117 recorded births. The name reached its all-time peak in 1997 with 417 births ranking #563. Since 1996, the popularity has decreased by 69.6%. In 2009, approximately 1 in every 15,700 girls born was named Lyndsey. FALLING Recent data shows the name is currently falling.