Since a part of Voldemort is within Quirrell, doesn't that make him a horcrux by definition as well?

  • 3
    No. A Horcrux houses part of a split off soul. Quirrel was possessed
    – user46509
    Apr 10, 2016 at 18:57
  • Harry wasn't a Horcrux by definition either, though to many intents and purposes he functioned as one. Apr 10, 2016 at 22:26

1 Answer 1


Quirrell is considered a horcrux. However, the reason it is not always mentioned is because he was a temporary one and as the first one to be destroyed, the connection is never made in the books, but by definition Quirrell is in fact a horcrux.

"Quirrell is, in effect, turned into a temporary Horcrux by Voldemort."

(Here is a direct source for which this is stated, you can read more of it from the link.)

  • 4
    I don't think that JKR was trying to say Quirrell actually was a hurcrux, just that he functioned similar to one.
    – ibid
    Apr 10, 2016 at 19:47

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