How do you find your sister from a closed adoption your mother did if you have her birth date her full first legal name the adoption agency and the hospital where she was born?

To find your sister from a closed adoption, start by contacting the adoption agency for assistance, as they may have policies in place to facilitate reunions. You can also reach out to the hospital where she was born to see if they can provide any information or guidance. Additionally, consider using social media and online search tools to broaden your search. It's important to approach the situation with sensitivity and respect for everyone's privacy.