premise: How to get siri to say your name<br>Set your personal contact information. Siri will call you whatever you have listed as your name in your personal contact. You may not have this information set, but you can add it using the settings app.
hypothesis: If you provide all fake personal contact information to Siri, Siri will not say your real name.
reason: The statement says that Siri will say the name listed in your personal contact information.  My statement then reasons that if you provide all fake information to Siri, that Siri will not say your real name.  This is logically true.  I assume the system can not reason like this and that's why it got it wrong.