Shannon is a moderately popular girls' name in United States, ranking #227 in 2003 with 1,447 recorded births. The name reached its all-time peak in 1996 with 4,337 births ranking #80. Since 1996, the popularity has decreased by 66.6%. In 2003, approximately 1 in every 1,263 girls born was named Shannon. FALLING Recent data shows the name is currently falling.