- Birth*: John Gray Calder was born on 18 September 1869 at Arbroath, Forfarshire, Scotland, .1
- He was the son of David Ramsay Calder and Mary Dempster Ironside.
- [S1] International Genealogical Index (IGI) (Salt Lake City, Utah, USA: International Genealogical Index), [Feb 2006].
John Gray Calder
M, #2644, b. 18 September 1869
Last Edited: 27 Feb 2013