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Genealogical Research

Records for Jefferson, Rock and Walworth Counties

  • Business records
  • Cemetery lists
  • Census records for Jefferson, Rock, and Walworth Counties
    available on microfilm in room L1105
    • Wisconsin State Census Records 1855, 1875, 1885, 1895, 1905
    • Federal Census Records 1850, 1860, 1870, 1880, 1900, 1920
  • Church records
  • City and county board minutes
  • City Directories
    • Jefferson County, various communities, 1980-2003.
    • Rock County, various communities, 1986-1995.
      • Janesville, 1919, 1923, 1925, 1943, 1946, 1948, 1952, 1954, 1956, 1959, 1961, 1962, 1965-1989, 1992, 1996-1999.
    • Walworth County
      • Whitewater, 1895, 1902, 1916, 1962, 1964, 1966, 1968, 1973, 1975-1976, 1978, 1981, 1982, 1987-1989.
  • Community organization records
  • Court records and indexes
  • Diaries
  • Deeds
    • Jefferson County, 1838-1902 microfilm (no mortgage documents).
    • Rock County, 1839-1901 microfilm.
    • Walworth County, 1839-1902 microfilm.
  • Genealogy books
  • Letters
  • Local and County Histories
    available on microfilm in room L1105
  • Local government records
  • Manuscript collections
  • Maps and plat books
    • Sanborn Maps
    • 1857 Walworth County Digital Map
    • County Plat Books
      • Jefferson County
        (Call Number: Special Collection G1418.R6 R58)1862, 1887, 1899, 1917, 1919, 1941, 1947, 1950, 1955, 1966, 1976, 1980, 1982, 1984, 1986, 1996.  
      • Rock County
        (Call Number: Special Collection G1418 .R6 R62)1873, 1891, 1917, 1924, 1940, 1950, 1970, 1974, 1981.                          
      • Walworth County
        (Call Number: Special Collection G1418.W2.R2)1857, digitized Walworth Co. Plat Map (1857), 1873, 1891, 1907, 1921, 1947, 1949, 1971, 1974, 1975, 1977, 1980-1982, 1996.
    • Bird’s Eye Views
      • Fort Atkinson, Jefferson County, 1870
      • Lake Geneva, Walworth County, 1882
      • Whitewater, Walworth County, 1870 and 1885
  • Naturalizations records
    available on microfilm in room L1105
  • Newspapers
    • The Whitewater Register, Whitewater's Weekly Newspaper
      • 1860-1873 miscellaneous issues, 1976-present (Location: Archives)
      • 1857-1999 (Location: Periodicals Microfilm)
      • 2000-present (Location: Current Newspapers
  • Photographs
  • Probate
  • School record books
  • Tax and Assessment Rolls
    • Jefferson County
      • Johnson Creek Assessment and Tax rolls, 1906, 1911, 1950, 1955, 1960, 1965.
      • Palmyra Tax rolls, 1975-1980.
      • Town of Sullivan, Assessment rolls , 1849-1960.
      • Watertown Assessment rolls, 1850-1965.
    • Walworth County Tax rolls
      • 1849-1912, 1970, 1975, 1980, 1985 Print
      • 1913-1965 Microfilm only
  • Vital records (pre-1907) and index
    • Pre-1907 Birth, Marriage, and Death Registration Records
      available on microfilm in room L1105
    • Search Wisconsin Genealogy Index