Shannan is a distinctive girls' name in United States, ranking #3927 in 2001 with 33 recorded births. The name reached its all-time peak in 1997 with 57 births ranking #2357. Since 1996, the popularity has decreased by 34.0%. In 2001, approximately 1 in every 54,562 girls born was named Shannan. STABLE Recent data shows the name is currently stable.