The Lockwood Barnett collection measures 4.5 linear feet. The collection is arranged in seven series: Echoes from the Archives; Family histories and genealogies; Echoes from the Archives research files; Lockwood family; Clara Lockwood Dorman family; Barnett family; and Audiovisual.

The Echoes from the Archives (1997) series contains a five volume set of books written by Mary Lockwood Laughlin detailing the history of the Lockwood and Barnett families. Mary Lockwood Laughlin did primary research to verify dates and relationships and then used family stories, letters, and newspaper articles to tell the stories of the lives of the Lockwood and Barnett family members.

The Family histories and genealogies (1981-2006) series is an annotated version of Echoes from the Archives focusing on the stories of individual descendants from the Lockwood and Barnett families. This series contains a hard copy of a PowerPoint presentation, biographical information, family trees, and photographs.

The Echoes from the Archives research files (1972-2011) series is composed of six subseries: Research books that mention the Lockwood name; Places; Research repositories in England and in the US; Resources used to write Echoes from the Archives; Correspondence; and Research files, which contains genealogical information, bibliographies, the Barnett Correspondent’s list and registry index, British registers and indexes, and British vital records.

The Lockwood Family (1722-2011) series contains information about people with the Lockwood surname, correspondence between Mary L. Laughlin and Lockwood family members, newspaper clippings, photographs and a photo album of family members and visiting sites, books published about or by family members, diaries belonging to Loretta E. Lockwood, and a painting by Veronica Grace Lockwood.

The Clara Lockwood Dorman Family (1853-1948) series contains biographical and genealogical information; correspondence between Mary L. Laughlin and Clara Lockwood Dorman’s grandchildren, Prudence Malcolm and Sir C. Dorman; newspaper clippings and articles; information about her husband Sir Arthur Dorman’s company Dorman Long; and photographs of Clara Lockwood Dorman and Sir Arthur Dorman, houses, and their graves.

The Barnett Family (1820-1948) series contains biographical and genealogical information about the Barnett family, correspondence between Mary L. Laughlin and members of the Barnett family, and photographs of family members.

The Audiovisual series contains two CDs, which store digital copies of the collection. One CD (do304) has an introduction to the collection, detailing the collection’s original arrangement. The series is stored in the IWA audiovisual collection.