Sylvanna is a distinctive girls' name in United States, ranking #18968 in 2013 with 5 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #6692. Since 1996, the popularity has decreased by 64.3%. In 2013, approximately 1 in every 350,883 girls born was named Sylvanna. FALLING Recent data shows the name is currently falling.