The Gregorys were farmers from Parma, Michigan, who became Sabbathkeeping Adventists in 1859, having been instructed by Joseph Bates. While on a short visit to nearby Jackson in April 1859 Ellen White met the Gregorys, noting in her diary that they had “recently commenced to keep the Sabbath. May the Lord enable them … to persevere.” Before Esther Gregory's death three years later, at age 33, she requested that the Whites attend her funeral, but this, for some reason, did not happen. John Gregory's movements or connection with the Seventh-day Adventist Church after his wife's death are not known. 1EGWLM 836.1
See: 1860 U.S. Federal Census, “Jno. Gregory,” Michigan, Jackson County, Parma, p. 21; obituary: “Esther C. Gregory,” Review, Apr. 29, 1862, p. 175; Ellen G. White, Ms 6, 1859 (Apr. 2 entry). 1EGWLM 836.2