Cinthia is a distinctive girls' name in United States, ranking #1417 in 2003 with 140 recorded births. The name reached its all-time peak in 1996 with 205 births ranking #942. Since 1996, the popularity has decreased by 31.7%. In 2003, approximately 1 in every 13,050 girls born was named Cinthia. FALLING Recent data shows the name is currently falling.