Lynsey is a distinctive girls' name in United States, ranking #6546 in 2010 with 20 recorded births. The name reached its all-time peak in 1998 with 146 births ranking #1250. Since 1996, the popularity has decreased by 85.0%. In 2010, approximately 1 in every 88,866 girls born was named Lynsey. FALLING Recent data shows the name is currently falling.