looking 4 sister

my name is lynn im looking for my sister that was givin up for adoption when she was born her given name was gwendolyn she was born aug 4th 1976 in tennessee if you know how i can find her or if you are her we can share some info to see if it matches, i would really like to find her for myself and our mother... my email address is dreambear22@yahoo.com if you would like to email me about this post...thank you all....