I think some people like to use names for a practical reason, when it's simpler than a description. I think it is not right for a T to push the client to name people and definitely not to give away more identifying information if the client does not want to. I was once told by someone (not a therapist) that my style of not using names for people when I talk about them is not giving them enough credit or acknowledging their uniqueness. In my mind, it's the opposite... given names themselves are not the choice of the individual in most cases although if unique enough they can carry identifying info like a code. How I feel about it anyway.