The Samuel and Rosetta Livermore Smith family papers consist of an undated family history journal researched by Dorothy Streeper.

The James Smithies family papers (1846-1859) consist of biographical and genealogical materials concerning James Smithies and his family. These materials are in the form of photocopied and transcribed diary entries and family group sheets that focus on the journey Smithies undertook with the Mormon pioneers from Nauvoo, Illinois, to the Salt Lake Valley from 1846 to 1848. Some diary entries are recorded up and through the year 1859.

The Stevenson family papers (1908-1994) contains poetry and a newspaper article by members of the Stevenson family, a genealogy, and an article published in the Carbon County News in 1908 concerning Clarence Henry Stevenson and the Independent Coal and Coke Company of Kenilworth, Utah.

The Enos and Jemima Child Stookey family biography consists of a bound biography of Enos Stookey (1829-1889) and Jemima Child Stookey (1827-1914) and their children that has been compiled by Gwenevere A. Stookey and Corrine S. Dods. Enos and Jemima Child Stookey were LDS pioneers who moved from Belleville, Illinois, in 1855 to Salt Lake City, Utah, by wagon. After their arrival they moved to Rush Valley, Utah, and were some of the first established settlers in this area.

The Ossian F. Taylor papers (1851 and 1909) contain an overland diary, a transcript of the diary, and a photocopy of the Taylor family genealogy. Taylor was born in Maine. Although not a member of the LDS Church, he traveled to Utah with members of his family who were members.

The George Teasdale papers (1770-1984) contain information regarding George Teasdale, an apostle for the Church of Jesus Christ of Latter-day Saints (LDS). Included in the collection are diaries, patriarchal blessings, correspondence, certificates, agreements, tax and financial documents, property deeds, notes, genealogy charts, and memorabilia. The collection is divided into three sections: personal, family, and religious materials.

The George Teasdale photograph collection contains photographs of George Teasdale's life, family and LDS mission. The collection also contains several photographs of LDS Church leaders.

The Thatcher family papers (1881-1904) consist of the missionary journals and letters of Roy Davis Thatcher and Diana Bean Thatcher.

The James Thompson diary (1887-1889) consist of a transcribed copy of the original diary of a missionary for the Church of Jesus Christ of Latter-day Saints. Accompanied by photocopies of family correspondence and genealogical records.

This collection consists of a typewritten autobiography of Harold George Wagstaff of Salt Lake City, Utah. Includes biographies of his children and genealogies of the Wagstaff family.

The Feargus O'Connor Willden papers consist of an autobiography/diary of Feargus O'Connor Willden (1864-1878), autobiographical to 1878, then diary entries or transcription 1864-1868; family history to 1955 incorporating a typed transcription of the diary; papers related to an application for an Indian Wars veterans pension; a 1920 Indian Wars Veteran ribbon. Willden was a Utah Black Hawk War veteran and a resident of south-central Utah.

The Benjamin Willmore memoirs (1978) describe his life as an LDS convert in Birmingham, England; his immigration to Logan, Utah in 1877; and his experiences in railroading and lumbering. Included are a poem, statement, and satire by Willmore, as well as photographs and family group sheets.

The Thomas J. and Lydia H. Yates papers (1888-1985) contain correspondence, biographies, and a penitentiary autograph book. Thomas Yates was an engineer and active in the Mormon Church.