LDS Biographical Encyclopedia, Andrew Jenson, Vol. 1, p.429
Dunn, Charles Oscar, Bishop of College Ward, Cache county, Utah, is the son of Simeon A. Dunn and Harriet A. Silver, and was born Oct. 13, 1855, in the old fort in Brigham City, Box Elder county, Utah. His mother died Jan. 1, 1857, which left the whole care of the family upon his father. Charles was baptized in 1863 by Elder Lars A. Larsen; and he was ordained an Elder by Wm. L. Walkins. He labored for several years as a Sabbath school teacher and was chosen first assistant superintendent to Charles Kelley in the Fourth Ward (Brigham City) Sunday school, Nov. 2. 1880. Later, he presided over the Ward Y. M. M. I. A., and also acted as a Ward teacher. Oct. 18, 1876, he married Letitia Smith, daughter of Samuel and Janette Smith, by whom he has had five children. In 1882 he was called on a mission to St. George, to receive instructions in Temple ordinance work, together with his wife. Early in 1883 he removed to Millville, Cache county, where he labored as Ward teacher. Sabbath school teacher, president of an Elders' quorum, president of the Y. M. M. I. A., etc. Oct. 24, 1883, he married Martha J. Welch, daughter of John and Eliza Welch, by whom he has had six children. Together with his wife, he was called to labor in the Logan Temple, May 18, 1884. They commenced their work there Aug. 21, 1884, and continued till the following March (1885), when they were released. Oct. 7, 1887, [p.430] Elder Dunn was arrested on the charge of unlawful cohabitation, and on Dec. 10th, following, he was sentenced to six months' imprisonment in the Utah penitentiary, and to pay a fine of $150 and costs of court. He regained his liberty June 10, 1888. When the College Ward was organized June 28, 1891, he was called to act as Bishop of the new ward, being ordained Bishop by Apostle Moses Thatcher. Previous to this (July 13, 1884) he was ordained a High Priest by Bishop Robert Davidson.