Collection includes materials of and relating to members of the Couch, Burns, Hoffman, and Wilson families, as well as the Hoffman Construction Co. The papers include diaries of Caroline Couch Hoffman and Mary Caroline Burns, and correspondence of various family members. Also included are obituaries and ephemera, as well as publications about the history and projects of the Hoffman Construction Co.

Materials related to several old Portland families, primarily, Robertson, Burns, Couch, Failing, Corbett, and Wood. Also included are Adams, Lewis, Reed, Warren, and Wilson. Photographs document individuals, family groups, and activities. Numerous photographic albums are also included. The documents are primarily made up of correspondence between individuals, as well as ephemera and diaries.