Sylvanna is a distinctive girls' name in United States, ranking #14216 in 1999 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 1999, approximately 1 in every 295,630 girls born was named Sylvanna. FALLING Recent data shows the name is currently falling.