Hi Akranes54
How exciting is it when you start to research!
You have lots of new info to follow up from the info by Brevitas and Sharon.
You now need to follow through, step by step. Scottish online records for the period you are now in are excellent, and when looking at pay to view records for BMDs, relatively inexpensive on
www.scotlandspeople.gov.uk (SP).
From what has already been found by Brevitas and Sharon:
James Kerr Chisholm married Elizabeth Campbell in 1885 in Midlothian - you can download the cert on SP.
James Kerr Chisholm's birth, parents Walter and Mary (kerr) you can also download in 1863 Edinburgh.
Elizabeth Campbell's birth to Alexander Campbell and Mary St Leger Duncan RICHARDSON you can also download in 1863 Edinburgh.
When you are specific on Scotlands People, you can download up to 5 images for 30 units/£7GB (1 unit to search - even when you know what you need

- and 5 units to download the image). Great value regardless compared to ordering English/Welsh certs!
Monica