Although there wasn't a Plot book before 1876, when the "new" cemetery next to the churchyard was opened about 1861, a daily record of burials was kept. Luckily most of these books have survived. So the following 6 entries will all have been interred in the Steel family plot.
STILLBORN FEMALE WYLIE. Wishaw.
Parents - John Wylie & Ann Steel.
Old churchyard, 12th September 1862.
JOSEPH STEELE, Wishaw, aged 2 years & 6 months.
Parents - Thomas Steele & Agnes Scobie.
Old churchyard, 23rd October 1866.
JOHN WATSON STEELE, Wishaw, aged 2 weeks.
Parents - Thomas Steele & Agnes Scobie.
Old churchyard, 9th November 1872.
THOMAS STEELE, labourer, Wishaw, aged 66 years, married.
Parents - Thomas Steele & Margaret Haddow.
Old churchyard, 12th January 1874.
JOSEPH STEELE, Wishaw, aged 8 years.
Parents - Thomas Steele & Agnes Scobie.
Old churchyard, 28th August 1876.
AGNES STEELE, housewife, Wishaw, aged 40 years, married.
Parents - Joseph Scobie & Margaret Stewart.
Old churchyard, 16th December 1878.
Sage, if you are reading this (I know you will be!) Here is another burial in A14 of the new cemetery, I missed it before, just in case it is important to you.
ALEXANDER GIBB, bricklayer, Wishaw, aged 11 years.
Parents - John Gibb & Ann Aitchison.
6th February 1901.