|Mary Jane Kelly|
|Name||Mary Jane Kelly|
|Romanji||Meari = Jēn = Kerī|
|Relatives||Edel Violet Kelly (daughter)|
Robert Weiss (ex-husband)
|Manga Debut||Chapter 12|
Before she died, Mary was married to Lord Weiss and had Violet with him. For reasons that haven't been explained, she took Violet to London, where she became a prostitute and gained a debt. After she died, her daughter inherited the debt.
Her memories and personality warped, Mary is a broken Frankenstein. After tearing off her arms to escape the British Government, and killing her creator, Mary began to wander London, singing and looking for her Daughter, Violet.
- Her name is partially inspired by Mary Shelley the English novelist best known for her Gothic novel Frankenstein. Mary Jane Kelly was also the name of Jack the Ripper's last victim.