Lyndsi is a distinctive girls' name in United States, ranking #6090 in 1999 with 17 recorded births. The name reached its all-time peak in 2001 with 30 births ranking #4158. Since 1996, the popularity has decreased by 32.0%. In 1999, approximately 1 in every 104,340 girls born was named Lyndsi. RISING Recent data shows the name is currently rising.