Cinthia is a distinctive girls' name in United States, ranking #1374 in 2005 with 157 recorded births. The name reached its all-time peak in 1996 with 205 births ranking #942. Since 1996, the popularity has decreased by 23.4%. In 2005, approximately 1 in every 11,769 girls born was named Cinthia. FALLING Recent data shows the name is currently falling.