Sintia is a distinctive girls' name in United States, ranking #12315 in 2009 with 9 recorded births. The name reached its all-time peak in 1996 with 36 births ranking #3294. Since 1996, the popularity has decreased by 75.0%. In 2009, approximately 1 in every 204,097 girls born was named Sintia. FALLING Recent data shows the name is currently falling.