As you didn't include a location: country/region/city or his father's name, it's hard for anyone to help. There is an Alexander David Chisholm b. 1884 - father named James?
Might be this family? From https://familysearch.org/
Canada, Marriages
Groom Alexander David Chisholm
Parents James Mary
Birth 1884 Moose River Age 28
Bride Margaret Jane Meikle
Parents James : Isabella
Birth 1889 Meiklefield Age 23
Marriage 16 Oct 1912 Meiklefield, Pictou, NS
Canada Marriage
Groom James Chisholm
Birth 1849 Moose River Age: 33
Parents Alexr. Christy
Bride Mary F. Ross
Birth 1849 Wentworth Grant Age 33
Parents John Margt.
Marriage 04 Nov 1882 New Glasgow, Pictou, NS
Canada Census, 1881 French River, Pictou, NS
John Ross M 61y NS
Margaret Ross F 52y NS
William Ross M 31y NS
Mary Ross F 33y NS
Isabella Ross F 22y NS
Dolina Ross F 20y NS
Annie Ross F 17y NS
Margaret Ross F 15y NS
John D. Ross M 13y NS
Charles A. Ross M 11y NS