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50 free Sirius Black trivia questions with answers — literature quiz, new questions added Aug 2026.
Sirius Black is Harry Potter's godfather, the runaway heir of the House of Black, best man at James and Lily's wedding and the titular Prisoner of Azkaban. He is mentioned in the very first chapter of the series as the wizard who lent Hagrid a flying motorbike, spends twelve years wrongly imprisoned for Peter Pettigrew's crimes, becomes the first person to escape Azkaban under his own power, and dies at the Department of Mysteries at his cousin Bellatrix's hand. This quiz covers all of it: the constellation naming tradition, the Gryffindor sorting that broke with family habit, the Marauders and the Animagus dog called Padfoot, Uncle Alphard's inheritance, the fatal Secret-Keeper switch, Scabbers on the front of the Daily Prophet, Crookshanks and the Firebolt, the cave above Hogsmeade, Number 12 Grimmauld Place and Kreacher, the veil, the Resurrection Stone, and the family tree sold for £30,000 on Daniel Radcliffe's behalf. It also covers Gary Oldman, who took the part because he needed the money and did not know the character was going to die. Fifty questions, four options each, with a short explanation after every answer. Play on your phone or print it for a Harry Potter quiz night.
30 of 50 questions with answers and explanations. Play the quiz
Q 01What is Sirius Black's relationship to Harry Potter?
Godfather
Lily and James named him when Harry was born, and Harry eventually inherits everything he owns.
Q 02In which book is Sirius first mentioned, as the lender of a flying motorbike?
Philosopher's Stone
Hagrid arrives at Privet Drive on the bike in chapter one; Sirius had handed it over after the Potters' deaths.
Q 03Who plays Sirius Black in the Harry Potter films?
Gary Oldman
He admitted he took the part because he needed the money after years of turning down work to be with his family.
Q 04What were the names of Sirius's parents?
Orion and Walburga
Both were Blacks by birth and second cousins, in keeping with the family's pure-blood obsession.
Q 05What was the name of Sirius's younger brother?
Regulus
Regulus Arcturus Black is the R.A.B. whose note Harry finds in the fake locket.
Q 06Which of his three cousins was Sirius's favourite?
Andromeda Tonks
She is the mother of Nymphadora Tonks; her sisters are Bellatrix and Narcissa.
Q 07The Black family names its children after what?
Stars and constellations
Sirius is the Dog Star, which suits an Animagus who turns into a huge black dog.
Q 08Which Hogwarts house was Sirius sorted into, breaking with the rest of his family?
Gryffindor
He rejected the family's pure-blood elitism and reverence for the Dark Arts and came to hate most of his relatives.
Q 09Who was Sirius's inseparable best friend at school?
James Potter
The two were immensely popular and known for their good looks, and were later joined by Lupin and Pettigrew.
Q 10Why did Sirius, James and Peter secretly become Animagi?
To keep Lupin company during his transformations
In animal form they could safely accompany the werewolf and keep him under control.
Q 11What is Sirius's Animagus form?
A huge black dog
It earned him the Marauder nickname Padfoot.
Q 12What is Sirius's Marauder nickname?
Padfoot
Prongs was James, Moony was Lupin and Wormtail was Pettigrew.
Q 13At what age did Sirius run away from home?
Sixteen
He took refuge with James and his parents, and his outraged mother burned his name off the family tapestry.
Q 14Which relative left Sirius a large inheritance that made him financially independent?
Q 21What did Sirius spot on the front page of the Daily Prophet that drove him to escape?
Scabbers on Ron Weasley's shoulder
He recognised the rat as Pettigrew's Animagus form, perfectly placed at Hogwarts to hand Harry to Voldemort.
Q 22How did Sirius physically get out of his Azkaban cell?
He slipped through the bars as a thin dog
Malnutrition had made him thin enough, and Dementors cannot detect Animagi; he was the first to escape unaided.
Q 23Which omen of death does Harry mistake the dog-form Sirius for?
The Grim
His Uncle Alphard
Walburga struck the benefactor's name off the family tree too.
Q 15What role did Sirius play at James and Lily's wedding?
Best man
He was also the Potters' first choice as Secret Keeper when they went into hiding.
Q 16Which spell hid the Potters and required a Secret Keeper?
The Fidelius Charm
Sirius persuaded the Potters to switch the role to Pettigrew, reasoning no one would suspect so weak a wizard.
Q 17Why did Sirius suggest Pettigrew become Secret Keeper instead of himself?
He thought Voldemort would never suspect such a weak wizard
He feared he was the obvious target; instead Pettigrew turned out to be Voldemort's spy in the Order.
Q 18How many Muggles died in the street explosion Pettigrew staged to frame Sirius?
Twelve
Pettigrew left a severed finger behind as evidence of his own death and vanished as a rat.
Q 19Who sent Sirius to Azkaban without a trial?
Barty Crouch Sr
The same hard-line official would later send his own son there.
Q 20How long did Sirius spend in Azkaban?
Twelve years
He stayed sane partly because he knew he was innocent, and partly by hiding in a dog's mind the Dementors could not read.
Trelawney has just read the same omen in his tea leaves.
Q 24Which cat befriends Sirius and recognises Scabbers for what he is?
Crookshanks
The cat even fetches Neville's list of dorm passwords so Sirius can get into Gryffindor Tower.
Q 25What does Sirius anonymously send Harry for Christmas in his third year?
A Firebolt
McGonagall confiscates it on suspicion it is jinxed; Harry's old broom had been smashed by the Whomping Willow.
Q 26Who stops Sirius and Lupin from killing Pettigrew in the Shrieking Shack?
Harry
He argues that his father would not have wanted his best friends to become killers.
Q 27What sentence is Sirius given after his capture at Hogwarts?
The Dementor's Kiss
Harry and Hermione use the Time-Turner to free him and he escapes on Buckbeak, another unjustly condemned creature.
Q 28Where does Sirius hide while near Hogsmeade in Goblet of Fire?
A cave in the hills
He survives mainly on rats, with Buckbeak for company and food smuggled up by the trio.
Q 29Whose house does Dumbledore tell Sirius to lie low at after Voldemort's return?
Lupin's
He is first sent to alert Lupin, Figg, Fletcher and the rest of the old Order.
Q 30What is the address of the Black family home Sirius turns into Order headquarters?
Number 12 Grimmauld Place
As the last Black he inherits the decaying house and is confined there by the manhunt, which sinks him into depression.