Cinthia is a distinctive girls' name in United States, ranking #5016 in 2015 with 27 recorded births. The name reached its all-time peak in 1996 with 205 births ranking #942. Since 1996, the popularity has decreased by 86.8%. In 2015, approximately 1 in every 66,098 girls born was named Cinthia. FALLING Recent data shows the name is currently falling.