If you check the death certificate for W.H. McDonald, posted on www.familysearch.org, which they have attempted to whiten, you'll be able to see the dates match for S.M.R. and therefore one can reasonable assume that BETTIE MOORE, listed as her mother, and W.G. HARRIS, listed as her father, would be accurate.
Sarah Matilda Russell Harris McDonald is buried in section 19 beside her husband and infant son.