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Register of the Locke-Hammond Family Papers, 1831-1925
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Collection Details
Table of contents What's This?
  • Descriptive Summary
  • Administrative Information
  • Access Points
  • Biography
  • Scope and Content

  • Descriptive Summary

    Title: Locke-Hammond Family Papers,
    Date (inclusive): 1831-1925
    Collection number: Mss110
    Creator: Marcella Thorp Emerick, Kay Thorp and Nancy Hammond
    Extent: 24 linear ft.7 online Delia Locke diaries 1855-1879
    Repository: University of the Pacific. Library. Holt-Atherton Department of Special Collections
    Stockton, CA 95211
    Abstract: The Locke-Hammond Family Papers contain: general and business correspondence of Dean Jewett Locke (1849-1887); his journals (1849-1883); the journals of his wife, Delia (1855-1922); records of the Locke Ranch (1855-1899); records of the Locke & Co. store (1861-1890); and various other materials.
    Shelf location: For current information on the location of these materials, please consult the library's online catalog.
    Language: English.

    Administrative Information


    Collection is open for research.

    Publication Rights

    Permission for publication is given on behalf of Special Collections as the owner of the physical items and is not intended to include or imply permission of the copyright holder, which must also be obtained by the researcher.

    Preferred Citation

    [Identification of item], Locke-Hammond Family Papers, Mss110, Holt-Atherton Department of Special Collections, University of the Pacific Library

    Access Points

    personal name

    Locke, Dean Jewett (1823-1887)
    Locke, Delia Marcella Hammond (1836-1924)
    Locke, Horace M.
    Locke family
    Demangeot, Horace C.
    Demangeot, Hannah Locke
    Thorp, James
    Hammond, J.A.
    Hammond, George
    Hammond family

    corporate name

    Locke and Company (Lockeford, Calif.)
    Mokelumne River Navigation Company
    Lockeford Bridge Company


    Agriculture -California -San Joaquin County
    Merchants -California -San Joaquin County
    Women teachers -California -Lockeford
    Chinese -California -San Joaquin County
    Steam-navigation -California -San Joaquin County
    Bridges -California -San Joaquin County
    Lockeford (Calif.) -Social life and customs
    Lockeford (Calif.) -Social conditions
    Lockeford (Calif.) -History -Sources
    Physicians -California -San Joaquin County
    Women -Societies and clubs -California -Lockeford
    Education -California -San Joaquin County


    The Lockes were a pioneer California family and founders of the San Joaquin County town of Lockeford (1855). Dean Jewett Locke (1823-1887) graduated from Harvard Medical College (1849) and, in that year, traveled overland to California with the Boston-Newton Joint Stock Association. He established a ranch on the Mokelumne River with his brothers Elmer and George (1851). Returning east to visit his family, Dr. Locke married Delia Marcella Hammond (1855). They returned to California with Locke's father, Luther, who was later Postmaster of Lockeford. Delia Hammond Locke's sister, Susan, came to Lockeford as a school teacher (1858). She married George S. Locke, Dean Jewett Locke's brother. Delia Hammond Locke kept diaries throughout her life that detail events in Lockeford (1855-1922). Locke-Hammond family members were active in civic, mercantile and religious affairs of the town they founded. D.J. Locke was a physician, bridge operator, store owner, rancher and briefly a steam ship owner. His wife and sister-in-law taught school and were active in temperance and religious organizations. D.J. Locke and his wife had thirteen children. Many of them remained in Lockeford, married and continued to contribute to the life of the town. One of their daughters, Hannah, married a Demangeot. Another, Theresa, married a Thorp. Both of these families remained in Lockeford and contributed to the life of the town well into the twentieth century.

    Scope and Content

    The Locke-Hammond Family Papers contain: general and business correspondence of Dean Jewett Locke (1849-1887); his journals (1849-1883); the journals of his wife, Delia (1855-1922); records of the Locke Ranch (1855-1899); records of the Locke & Co. store (1861-1890); records of the Mokelumne River Navigation Company (1862); papers of Theresa Thorp Locke (1894-1905); records of the Lockeford School District (1853-1882); papers of Dr. Horace C. Locke; papers of the Demangeot family; and, a miscellany of books from the Locke library. The Locke Papers also contain records of various Lockeford churches and organizations, incl. : the Lockeford Congregational Church (1868-1924); the Lockeford Union League (1863-1868); the Mokelumne River Ladies' Sewing Circle (1857-1893); and, the Union Protective Society (1867-1869). The collection also contains many Locke-Hammond family photographs and J.A. Hammond's local weather observation papers (1926-1987).