Shannon is a moderately popular girls' name in United States, ranking #118 in 1999 with 2,747 recorded births. The name reached its all-time peak in 1996 with 4,337 births ranking #80. Since 1996, the popularity has decreased by 36.7%. In 1999, approximately 1 in every 646 girls born was named Shannon. FALLING Recent data shows the name is currently falling.