Hello Mimosa. I have two stones for Wallace and unfortunately both are difficult to read.
To the memory of William Wallace, who departed this life ??/??/ 1855 age 77 years.
Also Jane Wallace?

? age 33 years.
Also George Wallace, son of the above, who departed this life April/17/1829 age 19? years.
George Wallace of

?? who died May/8/1847 age ??
Jane Wallace, wife of the above who died August/ 24/1820 age ??
Thomas Wallace of Unthank farm, son of the above. who died December/21/1842 age 2 years.
Elizabeth Wallace, daughter, died November 1841 age 15 years.
Alice, wife of George Wallace of Scripton, died March/3/1851 age 31 years.
Hannah, wife of the above George Wallace of Primrose side, died May/3/1879 age 88(could be 98)
Also Ann, daughter of the above George Wallace. there are more to the inscription but it is unreadable.
Adam.