Handwritten letters sent to and from Farnsworth, Mayhew, and Chipman families. Also include wedding and reunion invitations and other ephemera. The majority of the letters are to Caroline Abigail Mayhew Chipman. Other relatives include Lydia Farnsworth Mayhew, Otto Lyman Mayhew, Walter Franklin Mayhew, Martha Hoggard Chipman, Frederick Moroni Houston, Lydia Lucinda Chipman, Fredrick Vernon Houston, and John Curtis Houston. Materials dated 1808-1950.

Collection includes photographs of the Farnsworth family, with images of three of Moses Franklin Farnsworth's wives and their children. Dated approximately 1870-1919.

Letter from Thelma F. Priday to Arthur R. Watkins concerning his request for information to create a biography of her; "Reflections on BYU- Fifty-three years later: March 1994; Farnsworth and Priday family histories, 1988; History of Leland Forbes Priday and Thelma Farnsworth Priday.