You may already have more proof documents than you think, or you may be able to get some other proof documents.
Let's say I don't have my marriage record or birth certificate anymore. What should I do then?
The New York State Department of Health Vital Records office can help you with obtaining vital records in the state. Alternatively, you can order vital records online from New York and many other states through an independent partner, VitalChek Network Inc., at vitalchek.com .
I see. And what if I attended school at a community college?