Chisholm/Weaver 1947 Girl Given up for Adoption - Marian Diane Smith

My mother was given up for adoption in Dallas in 1947.She was born on May 3rd 1947.I met my birth grandmother one time when i was very young (likely 4 years old or so.) She was a chisholm and my mothers' blood father was a weaver.I remember that he later became an architect and that they were both very young when my mother was concieved.my mother told me later that her birthmother wanted her name to be Jacquiline and that our great 2 or3X was Jess Chisholm. My mother was adopted by very loving parents that named her Marian Diane Smith.I want desperately to find my birth grandmother, and believe she is likely still living- in or around Dallas Tx- likely in her 80s.I appreciate any information or help you could provide.both adoptive parents are deceased and it is not appropriate for me to connect with her.