- "The new Arkham Asylum will serve the mentally ill of Gotham in ways the present asylum never can. Those poor, sick souls deserve our help."
- —Martha Wayne's note[src]
One night, while walking through an alley to catch a cab, Martha and her family were mugged by an armed robber. After taking Martha's pearl necklace, the robber deliberately murdered Martha, only seconds after he did the same to her husband Thomas.
- The character of Martha Wayne was created by Bob Kane, Bill Finger and Gardner Fox. She first appears in Detective Comics #33 (November 1939), in the first exposition of Batman's origin story.