Shannon is a moderately popular girls' name in United States, ranking #482 in 2008 with 657 recorded births. The name reached its all-time peak in 1996 with 4,337 births ranking #80. Since 1996, the popularity has decreased by 84.9%. In 2008, approximately 1 in every 2,878 girls born was named Shannon. FALLING Recent data shows the name is currently falling.