Cinthia is a distinctive girls' name in United States, ranking #2346 in 2010 with 81 recorded births. The name reached its all-time peak in 1996 with 205 births ranking #942. Since 1996, the popularity has decreased by 60.5%. In 2010, approximately 1 in every 21,942 girls born was named Cinthia. FALLING Recent data shows the name is currently falling.