Lyndsey is a distinctive girls' name in United States, ranking #1013 in 2005 with 241 recorded births. The name reached its all-time peak in 1997 with 417 births ranking #563. Since 1996, the popularity has decreased by 37.4%. In 2005, approximately 1 in every 7,667 girls born was named Lyndsey. FALLING Recent data shows the name is currently falling.