Hannan is a distinctive girls' name in United States, ranking #11480 in 2021 with 8 recorded births. The name reached its all-time peak in 1998 with 25 births ranking #4412. Since 1996, the popularity has decreased by 27.3%. In 2021, approximately 1 in every 204,964 girls born was named Hannan. FALLING Recent data shows the name is currently falling.