Fanny is a distinctive girls' name in United States, ranking #3227 in 2015 with 51 recorded births. The name reached its all-time peak in 2001 with 52 births ranking #2822. Since 1996, the popularity has increased by 30.8%. In 2015, approximately 1 in every 34,993 girls born was named Fanny. STABLE Recent data shows the name is currently stable.