Born 30/05/1954 searching for birth mother

I was born George Scott Gorrie on the 30/05/1954 at the Queen Victoria Hospital in Annandale NSW. I'm searching for any information on my birth mother who's name at the time of my birth was Valerie Joan Gorrie she was 19yrs old. The address on my birth certificate was at Petersham but I feel this may not have been her home address. I have just recently started my search so if anyone has any information as to other sights similar to this where i can post a message i would appreciate all feedback. I would also like any information from other people born at the Queen Victoria Hospital who have or currently are tracing birth parents. kind regards big kahuna