Hannan is a distinctive girls' name in United States, ranking #12167 in 2016 with 8 recorded births. This places Hannan in the bottom 36% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 25 births ranking #4412. Since 1996, the popularity has decreased by 27.3%. In 2016, approximately 1 in every 221,436 girls born was named Hannan. FALLING Recent data shows the name is currently falling.