Susan is a moderately popular girls' name in United States, ranking #498 in 2003 with 576 recorded births. The name reached its all-time peak in 1996 with 963 births ranking #298. Since 1996, the popularity has decreased by 40.2%. In 2003, approximately 1 in every 3,172 girls born was named Susan. STABLE Recent data shows the name is currently stable.