Sylvanna is a distinctive girls' name in United States, ranking #10721 in 2008 with 11 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #6692. Since 1996, the popularity has decreased by 21.4%. In 2008, approximately 1 in every 171,883 girls born was named Sylvanna. FALLING Recent data shows the name is currently falling.