Cinthia is a distinctive girls' name in United States, ranking #2168 in 2009 with 92 recorded births. The name reached its all-time peak in 1996 with 205 births ranking #942. Since 1996, the popularity has decreased by 55.1%. In 2009, approximately 1 in every 19,966 girls born was named Cinthia. FALLING Recent data shows the name is currently falling.