Hannah is one of the nation's top biblical girl's names -- it surpassed Sarah in 1998, and is behind only Abigail and Elizabeth. Hannah is a name with many sources of appeal: Old Testament roots, soft and gentle sound, and a homey yet aristocratic image. The Biblical Hannah was the mother of Samuel.
The TV show Hannah Montana was a huge TV teen sensation from 2006 to 2011, and in the present it's the name Lena Dunham chose for her own character in her hit series Girls.
Hannah is also a name that in its varied versions, which include Hana and Hanna, has roots in many cultures, from Hebrew to Arabic, European to Asian. All in all, Hannah is still a wonderful if very widely used name.