I did find the baptism of Benjamin Bell - I think it is suspect for this family. I did find a record of Helen Buchanan dying Dec 1840 b. 1 May 1804. She died in East Renfrewshire where I know these people live. What I know: This is my husband's family. His grandfather David Buchanan b. 1887 in Gorbals, Glasgow. His parents were: Robert and Mary (Anderson) Buchanan. Robt b. 22 Oct 1860 in Eastwood, Renfrew, d. 28 Jun 1914 Govan, Glasgow. Mary b. 1861 in Glasgow and died 26 Aug 1913 - they had 7: Janet (Jennie), Robert, David Elizabeth, Allan George. As far as I know, all stayed in Scotland. David came to USA.
Robert's parents: Robert b. abt 1825, d. 18 Feb 1870 in Eastwood Renfrew. and Elizabeth Allan b. abt. 1825 and died 25 Dec 1864 in Eastwood. They had 6 children: Elizabeth, James, Helen, Margaret, another Helen (first died), Robert. Robert (father) married a second time to a Helen Deans Dick. When they (Robt and Helen) married his father was given as James (hand loom weaver) and Helen Buchanan (ms. Laidlaw). om 1865 om Eastwood. They had two more children - George and Charles Campbell Buchanan (1867 and 1869). i have documentation to feel confident about this information. There is some indication that Robert (mar. to Elizabeth All) was born in Dumfries (Lockerbie).
I haven't really done much in years. My husband just took his YDNA so we are trying to go back further. We are also planning a trip to Scotland in the summer of 2018 so want to be prepared to look at cemeteries and records.
So, you see I can't be confident of which James and Helen Laidlaw Buchanan are the parents.
Janet McDougall Buchanan