↑ Mary Ann Ballantyne, in Ancestry.com U.S., Find A Grave Index, 1600s-Current [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2012. Memorial ID 51048985.
↑ James Ballantyne, in U.S. Social Security Death Index, 1935-2014 517-60-1398; Issue State: Montana; Issue Date: 1965.
Name; SSN; Last Residence; Date of birth; date of death; State and year SSN issued.