She was married to Robert Raymond
McCann (son of Wesley McCann and Selma
Sherman) on 4 May 1935 in Round Rock, Williamson County, Texas.
Robert Raymond McCann was born on 25 Oct 1913 in Round Rock, Williamson
County, Texas. He died on 9 Jan 2000 in Chandler, Henderson County, Texas.
Mary Opal Warren and Robert Raymond McCann had the following children: