This collection includes papers relating to the D.H. Churchill Family including biographical materials, business and family correspondence, financial records, legal papers, and diaries. The papers are divided in to five subgroups: the D.H. Churchill and Mary Shelton Ransdell Churchill Papers; the James and Sophia Brown Papers; the Glen and Elizabeth Kitterman Papers; the Edwin Harvey and Mary Elizabeth Lord Papers; and the Shelton Ransdell Papers.

The D.H. Churchill and Mary Shelton Ransdell Churchill Papers contain biographical materials (1852-1976) including a family history and various death notices; correspondence (1874-1944) primarily to and from family members; financial records (1876-1925) including banking and business records relating to ranching; legal documents (1876-1893) including deeds and wills; and printed materials (1886-1942) primarily relating to horse breeding and farming; and miscellany (1879-1920) including cards, certificates, naturopathic remedy literature, and scrapbooks.

The James and Sophia Brown Papers consists of biographical materials (undated) including notes on the Brown family travels on the Oregon Trail.

The Glen and Elizabeth Kitterman Papers include correspondence (1914) from Mary to her granddaughter Mary Churchill; and certificates, awards, and miscellany (1880, 1943, undated)

The Edwin Harvey and Mary Elizabeth Lord Papers consist of correspondence (1883, 1914-1921) primarily to Mary E. Lord from friends and family; and ledgers (1862-1925) relating to Lord family business' including records for the Holden Gold and Copper Mining Company.

The Shelton Ransdell Papers include biographical materials (1828-1854) including a Masonic Lodge certificate and genealogical notes; correspondence (1850-1953) to Shelton from family and friends while he was traveling on the Oregon Trail; a diary (1850-1851) kept by Shelton during his trip overland from Illinois to Oregon Territory; and miscellany including the family Bible(1849-1850, undated)