Sintia is a distinctive girls' name in United States, ranking #5671 in 2000 with 20 recorded births. The name reached its all-time peak in 1996 with 36 births ranking #3294. Since 1996, the popularity has decreased by 44.4%. In 2000, approximately 1 in every 90,799 girls born was named Sintia. FALLING Recent data shows the name is currently falling.