Lyndsey is a distinctive girls' name in United States, ranking #6305 in 2021 with 19 recorded births. The name reached its all-time peak in 1997 with 417 births ranking #563. Since 1996, the popularity has decreased by 95.1%. In 2021, approximately 1 in every 86,301 girls born was named Lyndsey. FALLING Recent data shows the name is currently falling.