Sintia is a distinctive girls' name in United States, ranking #10698 in 2008 with 11 recorded births. The name reached its all-time peak in 1996 with 36 births ranking #3294. Since 1996, the popularity has decreased by 69.4%. In 2008, approximately 1 in every 171,883 girls born was named Sintia. FALLING Recent data shows the name is currently falling.