Apple purchased Siri from a startup of the same name. The startup founder chose the name because he liked it, having first heard of it because it was the name o

Apple purchased Siri from a startup of the same name. The startup founder chose the name because he liked it, having first heard of it because it was the name of a former coworker. So, while perhaps less usual, it was chosen with the knowledge that it was very definitely a name used by people.