Cinthia is a distinctive girls' name in United States, ranking #1434 in 2000 with 128 recorded births. The name reached its all-time peak in 1996 with 205 births ranking #942. Since 1996, the popularity has decreased by 37.6%. In 2000, approximately 1 in every 14,187 girls born was named Cinthia. FALLING Recent data shows the name is currently falling.