Agnes was only 2wks in 1861 census - d/o Jonathan Pearson + Margaret Hastie - the Hastie family can be found on Manxnotebook but key ref is MI in Marown -
Sacred to the memory of William Hastie, son of William and Agnes Hastie, who departed this life the 16th of July 1831, aged 11 months. Erected by his father, William Hastie, miner of Foxdale Mines, late of Leadhill, Scotland. Also Elizabeth Hastie, their infant daughter who died the 3 April 1840. Also in memory of William Hastie, father of the above children, who departed this life February 22, 1859, aged 61 years.

Sacred to the memory of Margaret Pearson, the beloved wife of Jonathan Pearson, who departed this life June 19, 1862, aged 29 years. Also of Agnes Hastie, wife of the adjoining William Hastie, who died 5 March 1890, aged 90 years.