Where can I find what my coat of arms means?

Question:

Where can I find what my coat of arms means?

My last name is O'Conor, in case you already know what it means =). But If you know where I can get a guide to what each of the symbols mean, please let me know!

Best Answer - Chosen by Asker: http://www.college-of-arms.gov.uk/faq.ht...
This explains some of the myths regarding family coats of arms.
Companies in the US that sell these products are not selling any legitimate rights to use these.