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S01E10-Mary Watson head shot

Mary Watson Elementary intertitle Mother

Character Information
Status: Alive
Actor: Freda Foh Shen
First Appearance: "The Leviathan"
Last Appearance: "Through the Fog"
Family: Joan Watson (daughter), Oren Watson (son), Henry Watson (husband)
Episode Count: 3
Quote
People find their paths in the strangest of ways.
EndQuote
— Mary to Joan, "The Leviathan".

Mary Watson is Joan Watson's mother. She is domineering and extremely strong-willed.

Biography

Season One

Season Three

While working as Holmes' sober companion, Joan has lunch with Mary who is checking up on her. Mary insists that Joan come to dinner that evening as her brother Oren is in town with his girlfriend. Holmes uses the dinner as an opportunity to praise Joan which makes an impression on Mary. Mary visits The Brownstone and encourages Joan to pursue being a detective. ("The Leviathan") Several years later, Mary has lunch with Joan and says that her brother is having an affair. Oren denies this and questions Mary's mental health. Joan has another lunch with Mary who picks up on the insinuation and is angry. Holmes manages to convince Mary to see a neurologist by tricking her that she forgot Joan's birthday when she didn't. ("T-Bone and the Iceman")

S01E10-Mary at Brownstone
I saw something in you.

S03E17-Mary waves
Crowbar, Watson.

Season Six

Joan receives a call from her father Henry that Mary is missing. She tells Holmes that due to Mary's Alzheimers she isn't supposed to drive but took the car. Mary arrives at the Brownstone, thinking she has a lunch date with Joan at a restaurant that closed 3 years prior. She calls Henry to tell him she's OK and thinks that she told him where she was going. Joan believes Mary is entering a new stage in her disease and suggested a nurse but Mary wouldn't speak to her for weeks after this. Later, Mary returns to the Brownstone and is having a good day. As Joan starts to insist hiring a nurse, Mary interrupts that they are interviewing nursing candidates. She's proud of herself and of Joan for caring enough about her to have such a difficult conversation. They make plans to have lunch. ("Through the Fog")



S06E14-Mary Watson
There are going to be more days like yesterday. But not today.

Trivia

  • During an anthrax scare on a farm that Holmes and Watson are investigating, Mary texts Joan and tells her to throw away their milk as a precaution. ("No Lack of Void")
  • Joan and Mary usually meet for lunch on the third Monday of every month. ("T-Bone and the Iceman")
  • She hasn't read any of Henry's books, except his first one. Henry and Mary were married in 1980. ("Ill Tidings")
  • Receiving a text from Shinwell Johnson, Joan lies to Holmes that it's a reminder from Mary to meet for coffee. Later, Holmes is able to deduce Joan's lie from the smell of the coffee on her clothes. ("Moving Targets")
  • Watson tells Holmes that Mary threatens people on restaurant review web sites. ("Command:Delete")
Elementary intertitle Elementary Characters
Main Characters
Sherlock HolmesJoan WatsonCaptain Thomas GregsonDetective Marcus Bell
Recurring Characters
AlistairAntoniaAthena and MinervaGeneral AlveroHenry BaskervilleOlga BerezhnayaJonathan BloomRoy BookerAgent BurkeDamon ClarkClydeGina CortesFrank Da SilvaDuaneCaptain DwyerElloryEveryoneAgent GephardtDr. GrannisChristopher GrayDel GrunerDetective GuzmanHalconEmily HankinsDr. Eugene HawesFiona HelbronWilliam HullShinwell JohnsonEmil KurtzCassie LenueGareth LestradeADA Nelson LewisAlfredo LlamosaAgent MallickMarchefElana MarchMargaretAgent McNallyPatrick MeersMidnight RangerChantal MilnerAndrew MittalSanthosh MittalSebastian MoranJamie MoriartyAgent MullerDetective NashIsaac ProctorRandyOscar RankinCandace ReedOdin ReichenbachRomulusMichael RowanTim SherringtonTall BoyJoshua ViknerSir James WalterArthur WestAgent WhitlockTyus WilcoxKitty Winter
The Irregulars
Mr. BriggsC.Harland EmplePetros FrankenGayMs. HudsonJulius KentLucMasonThe NosePhil SimmsAgatha SpurrellTeddy
Family
ArchieAndre BellChivonnePaige CowanKayden FullerCheryl GregsonHannah GregsonMay HolmesMorland HolmesMycroft HolmesEstella LlamosaHenry WatsonMary WatsonOren WatsonLin Wen
Minor Characters
The ActuaryMason BaldwinAnne BarkerEdwin BorsteinJack BrunelleLucas BundschJoey CastoroWade CrewesLiam DanowRyan DeckerViolet de MervilleThe DetectivesKathryn DrummondHoward EnnisMistress FeliciaIan GaleTrent GarbyDevon GasparDanilo GuraZoya HashemiDonna KaplanAdam KemperRhys KinlanRuslan KrasnovIris LanzerGwen and Olivia LynchNigella MasonDorian MollTy MorstanPamDana PowellRemusPaula ReyesChris SantosJennifer SaylesShauna ScottSkylerWilson TragerHeather VanowenCassandra WalkerAaron Ward
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