There were about 40,000 members of the Church of Jesus Christ of Latter-day Saints when Joseph Smith was martyred.
Brigham Young.
Ronald Joseph Smith died in 1995.
Joseph Smith - bobsleigh - died in 1983.
Joseph Lindon Smith died in 1950.
Joseph Smith - preacher - died in 1792.
Joseph B. Smith died in 1861.
Joseph Smith, Jr., the first prophet of the Church of Jesus Christ of Latter-day Saints (the "Mormon" church) was shot and killed by a mob while awaiting trial in Carthage Jail in Carthage, Illinois on the evening of June 27, 1844. His brother, Hyrum, was also shot and killed in the same attack.
John Smith - uncle of Joseph Smith - died on 1854-05-23.
Joseph Smith Harris died on 1910-06-01.
Joseph Smith III died on 1914-12-10.
Raymond Joseph Smith was the editor of the Ontario Review. He died in 2008.
Joseph Smith Jessop died on 1953-09-01.