Hanna is derived from the Hebrew, is a sort of variant on Anne or Ann and means, appropriately, Grace. Adolf"s Lady Friend Hanna Reitsch can almost literally be translated into Italian based- Grace Imperiale, or Grazia Imperiale. By the way ( So Help Me Hanna! is a popular German meta-curse word- with Adolf it had another meaning- yes, Fraulein, set up the code machine. Hanna had access to Crypto machines, his other Female secretary, Trudy ( both of whom survived the war) did not.
After the last name of the family that owned the bluffs at that beach.
Hanna Hilton's birth name is Erica Hunter.
Hanna Obbeek's birth name is Obbeek, Hanna.
Hanna Smoktunowicz's birth name is Hanna Kedaj.
Hanna Uller's birth name is Hanna Margareta Uller.
Hanna Maylett's birth name is Hanna Kaarina Miettinen.
Hanna Liinoja's birth name is Hanna Kristiina Liinoja.
Hanna Kaila's birth name is Hanna Tuulia Kaila.
Hanna Juurakko's birth name is Hanna Reetta Juurakko.
Hanna Hall's birth name is Hanna Rose Hall.
Hanna Halldorsdottir's birth name is Hanna Gurn Halldrsdttir.
Jack Hanna's birth name is John Bushnell Hanna.