Illinois Family History Societies (M-R)

This section lists county associations from McHenry to Rock Island providing details about each one and what resources and publications they offer.

McHenry County Genealogical Society

The Society is made up of family history researchers from the United States, Canada and Germany.

The association has many volumes relating to genealogy on the shelves of Crystal Lake Public Library and the McHenry Public Library. 

An Every Name Index to Ancestor Charts submitted to the group between 1981-1999 is available on their site. 

A transcription of early records of St John the Baptist Catholic Church covering the years 1852-1868 is also available. 

There are also indexes to:

  • Death Notices 1880-1979 and Marriages 1880-1979 from the Herald Newspaper
  • Death Notices appearing in Woodstock Sentinel 1856-1894
  • Death Notices in Marengo Republican Newspaper 1872-1874, 1881-1954, 1955-1969 and 1970-1989
  • Death Notices in McHenry Plaindealer 1875-1880
  • McHenry Co. 1880 and 1930 Federal Censuses

Numerous publications are available for sale, which incorporate:

  • Cemetery Books for the Northeast and Southeast Townships
  • Early Records of St John the Baptist Catholic Church 1883-1909
  • Marriage Books 1886-1899
  • McHenry Co. Surname Index
  • MCIGS Connection Quarterly

Montgomery County Genealogical Society

Many books, resources and indexes are accessible in their Research Centre, located at Litchfield Museum, which include:

  • 1861 Militia Men
  • Births 1862-1877
  • Deaths 1877-1950
  • List of Cemeteries
  • Marriages 1821-1915
  • Montgomery Co. 1825 and 1855 Illinois State Censuses
  • Naturalisations
  • Wills and Probate

Many publications are also available, including Marriage Records 1821-1885, Census Transcriptions for the 1830-1910 Censuses and indexes of some Montgomery Co. Cemeteries.


Peoria County Genealogical Society

Indexes of the 1888 Census of Peoria Township and Bible Records are accessible on their site.

Numerous publications are available, which incorporate:

  • All Surname Index of Prairie Roots Volumes 1-127
  • Back issues of Prairie Roots Magazine Vols. 1-36
  • Death Notices from Peoria Star 1950-1959
  • Obituaries from Peoria Newpapers covering 1903-1907
  • Peoria Co. Cemetery Books
  • Weddings

Randolph County Genealogical Society

Many resources are accessible in their Library, which include:

  • 1920-1930 Census
  • Births
  • Cemetery Listings
  • Court Documents
  • Deaths
  • Marriages
  • Naturalisations
  • Tax Lists

There are also on-line indexes to some Library Resources, including Randolph Co. Death Records 1839-1955, St Mary Help of Christians Catholic Church Vols. I and II and Randolph Co. Early Settlers.

A list of surnames currently being researched by members is accessible.


Rock Island Genealogical Society

The association was established in 1972.  They have indexed obituaries found in the Rock Island Argus and/or Quad City Times Newspapers from 2005-2011.  An index to Rock Island Co. Cemeteries is also on the site. 

Many publications are available, including:

  • Maps showing the location of Cemeteries
  • Marriages Parts 1-3 covering 1833-1899
  • Mercer Co. 1860, 1870 and 1900 Federal Census Returns
  • Rock Island Co. 1850 and 1860 Federal Census Returns
  • Will Abstracts Books A and B 1837-1887
  • Will Abstracts Book C 1867-1883
  • Will Abstracts Book D 1883-1891

A list of surnames currently being researched by members is available.


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