Mary Watson
Mary Watson (Shen)
Vital statistics
Sex Female
Family Joan Watson (daughter)
Oren Watson (son)
Behind the scenes
Appearances "The Leviathan"
"Heroine" (mentioned)
"No Lack of Void" (mentioned)
"T-Bone And The Iceman"
Portrayed by Freda Foh Shen

Mary Watson is the mother of Joan Watson


Note: This is a generic section stub. You can help Baker Street Wiki by expanding it.


  • Mary Watson in the canon is the wife of John Watson but due to CBS making John Watson a female, the writers made Mary the mother of Joan.