Lyndsey is a distinctive girls' name in United States, ranking #905 in 2003 with 264 recorded births. The name reached its all-time peak in 1997 with 417 births ranking #563. Since 1996, the popularity has decreased by 31.4%. In 2003, approximately 1 in every 6,921 girls born was named Lyndsey. FALLING Recent data shows the name is currently falling.