Lynsey is a distinctive girls' name in United States, ranking #2057 in 2004 with 89 recorded births. The name reached its all-time peak in 1998 with 146 births ranking #1250. Since 1996, the popularity has decreased by 33.1%. In 2004, approximately 1 in every 20,631 girls born was named Lynsey. FALLING Recent data shows the name is currently falling.