Sirius Black was sorted into Gryffindor house at Hogwarts School of Witchcraft and Wizardry.

This choice shocked his pure-blood family, the House of Black, who traditionally valued Slytherin. Sirius rejected their blood purity ideals, aligning instead with Gryffindor values like bravery and loyalty, as seen in his close friendships with James Potter, Remus Lupin, and Peter Pettigrew—the Marauders.

Hogwarts Sorting Details

  • Sorting Ceremony : At age 11, Sirius attended Hogwarts and was placed in Gryffindor by the Sorting Hat, defying family expectations.
  • Family Reaction : His parents, Orion and Walburga Black, were furious; they blasted him off the family tapestry at 12 Grimmauld Place.
  • Brother's Path : Younger brother Regulus joined Slytherin, staying loyal to the family longer before his own rebellion.

Why Gryffindor Fit Sirius

Sirius embodied Gryffindor's daring spirit—he became an Animagus (turning into a dog, or "Padfoot") to support Lupin, fought as an Order of the Phoenix member against Voldemort, and risked everything to protect Harry Potter, his godson. His time confined at Grimmauld Place (the Black family home, used as Order headquarters) highlighted his restless courage, even amid depression.

"We've all got both light and dark inside of us. What matters is the part we choose to act on. That's who we really are." — Sirius Black

No recent forum buzz or news shifts this canon fact from J.K. Rowling's series; it's a timeless Harry Potter staple, with fans still debating family dynamics on sites like Reddit as of early 2026.

TL;DR: Gryffindor, not Slytherin—Sirius chose heart over heritage.

Information gathered from public forums or data available on the internet and portrayed here.