Sintia is a distinctive girls' name in United States, ranking #5387 in 1997 with 19 recorded births. The name reached its all-time peak in 1996 with 36 births ranking #3294. Since 1996, the popularity has decreased by 47.2%. In 1997, approximately 1 in every 91,614 girls born was named Sintia. FALLING Recent data shows the name is currently falling.