Lyndsi is a distinctive girls' name in United States, ranking #12067 in 2009 with 9 recorded births. The name reached its all-time peak in 2001 with 30 births ranking #4158. Since 1996, the popularity has decreased by 64.0%. In 2009, approximately 1 in every 204,097 girls born was named Lyndsi. RISING Recent data shows the name is currently rising.