Dorothy Mae Thomas was born on January 27, 1938, in Benchley, Texas to the parentage of Charlie and Mary Armstrong.  Dorothy attended Dorsey Lockett Elementary and Malone Middle School in Malone, Texas.  She had a love for basketball and showcased her skills in Middle School.  She received her high school education at Wheatley High School in Hubbard, Texas.

Dorothy's parents noticed her love for music early in life and introduced her to piano instructor Ms. Johnson in Hillsboro, Texas where she received piano lessons.  Dorothy used her talent and played piano for Mount Rose Baptist Church in Irene, Texas. Dorothy met the love of her life W. T. Thomas before moving to Dallas in 1956 where she began her new life and later became a wife and mother to six children.

Dorothy was a founding member of Greater Mount Pilgrim Baptist Church in 1959 where she became a member and used her gift in playing piano for the church.  Her membership remained with Greater Mount Pilgrim Baptist Church until April 5, 2022.

She gained homemaking skills in her youth and used the knowledge to meet the needs of her family.  She started her own cleaning business and service of caring for others which exemplified who she was naturally.

She was preceded in death by her husband (W. T. Thomas),parents (Charlie and Mary Armstrong), (9) sisters, (2) brothers, many family members:  aunts, uncles, cousins, nieces, nephews and friends.

Dorothy leaves to cherish her memories  Sons: Aldean Thomas (Margaret Thomas – deceased), Lawrence Thomas (Verdell Thomas), Gregory Thomas, Kenneth Thomas (Tonya Thomas); daughters:  Georgia Thornton (David Thornton), Sandra Davis (David Davis), Sister Mary Cofer, Brother Ned Armstrong, Sr.; grandchildren:  Eugene Thomas, April Banks (Derrick Anderson), Arica Smith (Donavan Smith), Claude Toliver, IV, Quantae Thomas, Sandra Thomas, Timonica Webster (Richard Webster), Kenneth Thomas, Jordan Thomas, Asia Davis; great-grandchildren: Tavares Jackson, LaDerrial Anderson, LaDerric Anderson, LaDarren Anderson, Donavan Smith Jr., Eyen Thomas, Eric Thomas, Mahagoni Roberts, LaBroderick Peters, Jr., Jalea Webster, Jamia Hussey  and host of nieces, nephews, cousins, church family and many friends.