Sylvanna is a distinctive girls' name in United States, ranking #14335 in 2015 with 7 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #6692. Since 1996, the popularity has decreased by 50.0%. In 2015, approximately 1 in every 254,951 girls born was named Sylvanna. FALLING Recent data shows the name is currently falling.