I checked Henderson directories and the show up together in Brandon in the 1949 with john retired. can't find john at all in Brandon before that year so they may have moved when he retired. One possible for Mildred based off the cemetery record but can not confirm it yet.
Last Name: MCKEE Given Names: MILDRED ANN Sex: FEMALE Date of Birth: 22/09/1896 Place of Birth: R.M. OF MORTON Parents Married: YES Mother's Marital Status: MARRIED MOTHER'S DETAILS Maiden Last Name: NEWTON Given Names: ELLEN