 Wallace's grandson, Scott Wallace, won the Democratic nomination for Pennsylvania's 1st congressional district in the 2018 elections, but he was defeated by Republican incumbent Brian Fitzpatrick in the general election.Wallace was raised in the Calvinist branch of Protestant Christianity, but showed an interest in other religious teachings during his life.He was deeply interested in religion from a young age, reading works by authors like Ralph Waldo Emerson, Ralph Waldo Trine, and William James, whose "The Varieties of Religious Experience" had a particularly strong impact on Wallace.