Partial conflation of Mary Rebecca (Walton) Mills and Mary Rebecca (Mills) Beeson?

Question

On 2 Nov 2021 T Stanton wrote on Walton-610:

At least some of the data on this profile (date of birth, place of birth, and date of death) appear to be confused with Mary Rebecca (Mills) Beeson: https://www.wikitree.com/wiki/Mills-318 This may well be why primary sources cannot be found for the person represented by this profile.