Cydnie is a distinctive girls' name in United States, ranking #11021 in 2007 with 10 recorded births. The name reached its all-time peak in 1997 with 27 births ranking #4031. Since 1996, the popularity has decreased by 50.0%. In 2007, approximately 1 in every 192,245 girls born was named Cydnie. FALLING Recent data shows the name is currently falling.