 At the time of the move, Isabella was pregnant with their second child, Hugh John Macdonald.Bellevue House continued to be inhabited by middle-class Kingston families until it was purchased by Parks Canada in 1964 with the intention of commemorating Sir John A. Macdonald.Significant renovations had been performed in the intervening century, including the addition of electricity, indoor plumbing, and central heating, as well as changes to the floor plan.