[1] He later met Latter Day Saint missionary Samuel Harrison Smith, who sold Greene a copy of the Book of Mormon.
Greene joined the Latter Day Saint church in April 1832,[2] as did the family of his wife Rhoda, which included Brigham Young.
In May 1834, Greene baptized three people while serving as a missionary in Villanova in Chautauqua County, New York.
[6] He published a pamphlet about the 1838 expulsion of the members of The Church of Jesus Christ of Latter-day Saints from Missouri in 1839 entitled Facts Relative to the Expulsion of the Mormons or Latter-Day Saints from the State of Missouri, Under the Extermination Order.
The Church of Jesus Christ of Latter Day Saints (Strangite) alleges that Greene was "martyred by poison ... for disclosing that James Strang was appointed by Joseph Smith.