Sylvanna is a distinctive girls' name in United States, ranking #7969 in 1998 with 12 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #6692. Since 1996, the popularity has decreased by 14.3%. In 1998, approximately 1 in every 147,241 girls born was named Sylvanna. FALLING Recent data shows the name is currently falling.