The information I have is as follows: David Barr (May 10, 1807 - May 8, 1866). Born at Wishaw, near Glascow. Son of William Barr and Isabell Hart.
David married Agnes Airth (b. May 12, 1814 d. Jan 28, 1876). They were married in 1834 by Reverand Burney, the first Methodist missionary. They were the first couple in Renfrew to be married by a minister.
Agnes Airth was born near Brussels in Belgium wher her father (Sgt. Henry Airth) was stationed at the time.
I haven't anything else yet, but will post it when I do.