Cydnie is a distinctive girls' name in United States, ranking #5026 in 2000 with 23 recorded births. The name reached its all-time peak in 1997 with 27 births ranking #4031. Since 1996, the popularity has increased by 15.0%. In 2000, approximately 1 in every 78,955 girls born was named Cydnie. FALLING Recent data shows the name is currently falling.