Lynnsey is a distinctive girls' name in United States, ranking #7964 in 2008 with 16 recorded births. The name reached its all-time peak in 1999 with 32 births ranking #3758. Since 1996, the popularity has decreased by 30.4%. In 2008, approximately 1 in every 118,170 girls born was named Lynnsey. FALLING Recent data shows the name is currently falling.