Howdo i found oneof my old step sisters that has beenadopted?plz help 580-371-1872 her name is conniejomiller?

i need to find one of my step sister her dad and my mom were not marriend but we lived together for every and she got takken tgo cps adn we move also with gradparents plz help me find her her name is connie jo miller but she got adopted and she supposablly live in seven points, teaxs or canton texas or somewhere close i really would love to find her