USA (1,379,301) > Illinois (55,515) > DeKalb County (543) > Cortland (38)
NOTE: Additional records that apply to Cortland are also found through the DeKalb County and Illinois pages.
DeKalb County, Illinois Births, 1831-1937 Ancestry
Illinois, Birth Records, 1916-present Illinois Department of Public Health
Index to birth record books of DeKalb County, Illinois FamilySearch Library
Some early births in DeKalb County, Ill. and vicinity, 1837-1890 FamilySearch Library
Cemeteries of Cortland Township, County of Dekalb, state of Illinois FamilySearch Library
Mound Rest Cemetery Billion Graves
Mound Rest Cemetery Illinois Gravestones
Mound Rest Cemetery Find a Grave
1855 Illinois State Census Ancestry
1865 Illinois State Census Ancestry
Federal Census of 1940, Cortland Township, Illinois LDS Genealogy
U.S. Federal Census 1790-1950 Ancestry
U.S. Federal Census 1790-1950 MyHeritage
United States Federal Census, 1790-1950 Family Search
Church records, 1863-1894 (Reorganized Church of Jesus Christ of Latter Day Saints. Cortland Branch (Cortland, Illinois)) FamilySearch Library
1916-1947 Illinois Deaths and Stillbirths Index Ancestry
DeKalb County express, obituaries, published in Shabbona, Illinois, 1929-1960 FamilySearch Library
DeKalb County, Illinois Deaths, 1843-1992 Ancestry
Illinois Deaths, 1916-1950 MyHeritage
Illinois Deaths, before 1916 MyHeritage
Illinois, Death Records, 1916-present Illinois Department of Public Health
Illinois, Select Deaths Index, 1877-1916 Ancestry
Index to death register I, January 1878-June 1903 FamilySearch Library
DeKalb County, Illinois Naturalizations, 1800-1999 Ancestry
Illinois, Federal Naturalization Records, 1856-1991 Ancestry
Naturalization records of DeKalb County, Illinois FamilySearch Library
US Naturalization Record Index, Northern Illinois, 1840-1950 ( includes De Kalb County, IL) MyHeritage
Illinois, DeKalb County Land Records, 1838-1927 Family Search
1800-1940 Illinois, County Marriage Records Ancestry
1860-1920 Illinois, Marriage Index Ancestry
DeKalb County, Illinois Marriages, 1864-1962 Ancestry
Illinois Marriages, 1763-1900 MyHeritage
Illinois Marriages, 1790-1860 Ancestry
Illinois, Compiled Marriages, 1851-1900 Ancestry
DeKalb County express, obituaries, published in Shabbona, Illinois, 1929-1960 FamilySearch Library
1772-1999 Illinois, Wills and Probate Records Ancestry
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