I searched in Google Books for the phrase "too good to live" and I found these quotes among the oldest books (i.e. before 1845):

"Why, in such a Juncture, is this Good Lady taken? And, why are so many of her Sex, so unlike her, left? Is it in Mercy to Her, or in Judgment to Us? Is it because She was too good to live here, or because We were too wicked to deserve her company?"
—from "Fourteen Sermons Preach'd on Several Occasions," by Francis Atterbury, 1708.

"Thou wast too good to live on earth with me,
And I not good enough to die with thee."
—quoted from an epitaph by William Cowper in a letter dated 1765; in "Life and Works of William Cowper," 1836

"King Edward VI, only Son to Henry VIII, succeeded him in the Crown of England; a Prince that was too good to live long…."
—from "The Life and Errors of John Dunton, Citizen of London," 1818.

"Indeed, we scarcely ever see a very pious boy without a half-thought coming into our minds that he will die soon; as people are in the habit of saying quite proverbially, 'He is too good to live'…."
—from "Lives of the English Saints," by John Henry Newman, 1844.

"Used thus, as men that were too good to live in this wicked world; and accordingly others of them lived recluse and retired from the world, in deserts and hills, and caves of the earth."
—a paraphrase of Hebrews 11:38 by Henry Hammond, in "A Paraphrase and Annotations upon All the Books of the New Testament," 1845.