Fanny is a distinctive girls' name in United States, ranking #2942 in 1998 with 44 recorded births. The name reached its all-time peak in 2001 with 52 births ranking #2822. Since 1996, the popularity has increased by 12.8%. In 1998, approximately 1 in every 40,157 girls born was named Fanny. STABLE Recent data shows the name is currently stable.