Sintia is a distinctive girls' name in United States, ranking #6726 in 2004 with 18 recorded births. The name reached its all-time peak in 1996 with 36 births ranking #3294. Since 1996, the popularity has decreased by 50.0%. In 2004, approximately 1 in every 102,007 girls born was named Sintia. FALLING Recent data shows the name is currently falling.