Are you still looking for info on James Kydd? I am a direct descendent & have quite a bit of info on the family.
Don't think it is the James Kydd mentioned above as I have a date of birth 1857.
The James Kydd in my family tree married Margaret Stuart
They had 5 children Walter (who married Alice MacPhail) James George (my grandfather) Georgina (his twin) & John.
This I think makes us cousins of sorts. I am still in contact with Georgina's grandson who might know more.
I also knew Phyllis Austin (nee Kydd) who along with Hilton & Hazel were Walter & Alice's children - as I understand it.
If this is of help to you I can compile more detailed info for you.