Hi Doolittle, sorry for the delay in getting back to you.
Here's a transcript of the plot book you asked for. Like all plots in the old churchyard at Cambusnethan, it is divided into 3 lairs/compartments. North, South & Centre.
Please remember that this Plot Book only begins in the mid-1870s. There will be many more in there before then. all dates are of interment.
In the South -
MARGARET HARRISON, aged 26 years. 28th December 1887.
In the Centre -
THOMAS STEEL, aged 60 years. 3rd December 1894.
In the North -
JOHN WYLIE, aged 44 years. 30th December 1881.
THOMAS HARRISON, aged 2 weeks. 14th September 1885.
ROBERT HARRISON, aged 2 months. 22nd October 1885.
THOMAS STEEL, aged 75 years. 14th September 1939.
RACHEL STEELE, aged 100 years. 5th August 1966.
The registered owners, in Victorian times, were Thomas Steel & Margaret Haddow.
Would Rachel's father have been John Hamilton, aged 32 years when he died in 1877? Parents names Andrew Hamilton &

Smellie.
Also, do these couples fit into your family?
John Hamilton and Elizabeth B. Nisbet?
Peter Nisbet and Jane Melville?
As for Liddells and Binnies, they are my direct ancestors, mainly from Muiravonside, Polmont and Slamannan (all in Stirlingshire). PM me if you think you have a link to them.