Sylvanna is a distinctive girls' name in United States, ranking #17048 in 2009 with 6 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #6692. Since 1996, the popularity has decreased by 57.1%. In 2009, approximately 1 in every 306,145 girls born was named Sylvanna. FALLING Recent data shows the name is currently falling.