Looking for my birth mother

I’m 54 years old I was adopted out of Yakima wa am born in 1965 around March . I never really knew my real birthday so they just picked one , I’m searching for my bio mother all I ever knew was her last name was Ellis mayb ? And her first name was either Alberta or albertha . . . I would love too know my background and my race . I now have my first grandson an for my daughters sake I wanna know everything about my background now .