Sintia is a distinctive girls' name in United States, ranking #8421 in 2003 with 13 recorded births. The name reached its all-time peak in 1996 with 36 births ranking #3294. Since 1996, the popularity has decreased by 63.9%. In 2003, approximately 1 in every 140,542 girls born was named Sintia. FALLING Recent data shows the name is currently falling.