I never understood whether Voldemort knew Harry was his Horcrux. If he did; why did he try killing him? If he did not; why did not he create another horcrux as Dumbledore assumed he would create 7 horcruxes.
- Voldemort never knew. He had intended to create 6 Horcruxes, so that he would have a 7-part soul (the final part being in his own body). Harry was an unintentional and unofficial Horcrux. The many murders Voldemort had committed left his soul so unstable that when he tried to kill Harry as a baby and the curse rebounded, a part of his soul broke off and latched onto the only other living soul nearby; Harry's. It was this bit of soul that allowed Harry to see into Voldemort's mind as well as being able to speak Parseltongue. JKR said in an interview that because Harry was not made into a Horcrux intentionally and didn't undergo the actual process of making a Horcrux, that he was never an evil object like the others were, although in the end he served the same purpose; sheltering a piece of Voldemort's soul. - Nick O'Demus 06:43, September 6, 2009 (UTC)