Yes, the genealogy society in Hamilton will send cemetery records. The Adams family is all there, buried together (Maria Hubbard, husband and their children) Lucius, the nephew that you might be referring to- is buried at Mount Pleasant in Toronto with all of his siblings (the children of Augusta's sister Emmeline)
What is your interest in this family? Augusta lived in Alberta for many years with Lucius. There are Alberta Homestead records for Augusta and Lucius.