I don't know if you ever found George Aldredge or not but he is listed in today's Dallas Morning News obituary.
The obit lists the following information:
George Nathan Aldredge, Jr. , MD Born in Dallas on 9/4/1916 Died in Dallas on 2/1/2005 Only son of George Nathan and Rena Munger Aldredge. A descendent of Texas pioneer families. Survived by wife, Jeanne, sons George, Vaughn, Christopher, Mark, Thom, John, and Matthew, and daughters Virginia and Anne
He was not part of my ancestry that I know of so I have no future information.