Dilys Derwent
Biographical information

Before 1722[1]


Between 1768[1] and 1995 [2]

Physical information




Hair colour



Professor Dilys Derwent was a witch, who worked as a Healer at St. Mungo's Hospital for Magical Maladies and Injuries (1722-1741), and was a celebrated Headmistress of Hogwarts School of Witchcraft and Wizardry (1741-1768). Her portrait hangs not only in Dumbledore's Office along with the portraits of previous headmasters and headmistresses, but also in St. Mungo's Hospital for Magical Maladies and Injuries' main admitting area.[1]


As a Healer and HeadmistressEdit

Derwent started working at St. Mungo's Hospital for Magical Maladies and Injuries in 1722. Derwent left the job in 1741 and became the Headmistress of Hogwarts School of Witchcraft and Wizardry that same year. She proved very popular among students and teachers, gaining her the status of one of the "most celebrated Heads" among Dumbledore and Everard. She left the post in 1768.[1]


Attack on Arthur WeasleyEdit

When Arthur Weasley was attacked by Nagini in the Department of Mysteries in late 1995, Albus Dumbledore, then-Headmaster, asked Derwent to go to her portrait at St. Mungo's Hospital for Magical Maladies and Injuries's main admitting area in order to keep Dumbledore apprised on Mr. Weasley's condition.[1]

Voldemort's DefeatEdit

"All around the walls, the headmasters and headmistresses of Hogwarts were giving him a standing ovation..."

When Harry Potter went to the Headmaster's office, shortly after Lord Voldemort's defeat and the end of the Second Wizarding War, Dilys Derwent joined the ovation made by the previous Hogwarts Headmasters, sobbing unashamedly.[3]


The name "Dilys" means "genuine" in Welsh. Derwent may be from the name of an English lake in Cumbria, in the Lake District called "Derwent Water".


Notes and referencesEdit

Hogwarts Castle
Gryffindor Tower · Stone Bridge tower · Grand Staircase Tower · Left Viaduct tower · Training Grounds Tower · Central Tower · Hospital tower · Suspension Bridge towers · North Tower · South Tower · Turris Magnus · Turris Medius · Quidditch tower · Ravenclaw Tower · Right Viaduct tower · Second-floor girls' lavatory tower · Defence Against the Dark Arts tower · Upper Hall tower · Dark Tower · Founders' Tower · Headmaster's Tower · Herbology tower · Astronomy Tower · West Tower · Clock Tower · Bell towers · Hufflepuff Duelling Turrets · The Quad battlements · Catwalks · North battlements
Portraits, statues and other artwork located in the towers
Albus Dumbledore · Armando Dippet · Valeria Myriadd · Dexter Fortescue · Dilys Derwent · Oraclitus Spheer · Fat Lady · Sir Cadogan · Slytherin knight · Hufflepuff lady · Heliotrope Wilkins · Severus Snape · Phineas Nigellus Black · Vulpus · Quintin Trimble · Limebert · Ravenclaw lady · Rowena Ravenclaw · Walter Aragon · Quidditch player · Professor · Female etiquette teacher · Gryffindor lady · Gryffindor man · Gryffindor man · Gryffindor man · Gryffindor seeker · Red-haired witch · Young maiden · Vase with flowers · Group of women in crinolines · Sinister-looking monks

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