Lyndsey is a distinctive girls' name in United States, ranking #5417 in 2020 with 23 recorded births. The name reached its all-time peak in 1997 with 417 births ranking #563. Since 1996, the popularity has decreased by 94.0%. In 2020, approximately 1 in every 70,240 girls born was named Lyndsey. FALLING Recent data shows the name is currently falling.