Hello Edna. Here is the gravestone inscription:-
In memory of Frederick Harrison of Alms Hough, who died September/25/1854 aged 58 years.
Also Elizabeth, his wife, who died June/21/1856 aged 60 years.
Also of Isaac, son of Frederick and Elizabeth Harrison, who died April/10/1848 aged 21 years.
And of Mary, their daughter who died at Newcastle, May/9/1852 aged 31 years.
Also of William, their son, of the Royal Horse Artillery who died at Dublin, August8/1851 aged 21 years.
Adam