Cinthia is a distinctive girls' name in United States, ranking #1079 in 1997 with 174 recorded births. The name reached its all-time peak in 1996 with 205 births ranking #942. Since 1996, the popularity has decreased by 15.1%. In 1997, approximately 1 in every 10,004 girls born was named Cinthia. FALLING Recent data shows the name is currently falling.