Lyndsi is a distinctive girls' name in United States, ranking #8644 in 2005 with 13 recorded births. The name reached its all-time peak in 2001 with 30 births ranking #4158. Since 1996, the popularity has decreased by 48.0%. In 2005, approximately 1 in every 142,131 girls born was named Lyndsi. RISING Recent data shows the name is currently rising.