The Cobb County Courthouse records are located in various locations in Marietta, Georgia.

Cobb County Tax Digest 1832 – ?: Cobb County Courthouse
1848 – 1849, 1851: Published in various issues of the Cobb County Genealogical Society “Family Tree Quarterly” as well as LDS Library, Microfilm Roll 159138
Confederate Pension Book: 1891 – 1920 Georgia Room, Charles Switzer Library, Marietta, GA
Georgia Archives, Morrow, GA
LDS Library, Microfilm Roll 1655003
Death Index and Certificates “Cobb County Death Indices for 1919 – 1940”
http://www.rootsweb.ancestry.com/~gacobb/deathindices/deathindices.html
Deed Records Cobb County Courthouse
District Plat of Surveys, 1832 – ? Cobb County Courthouse
Estate Records 1837 – 1871 Georgia Archives
Guardianships & Conservatorships Cobb County Juvenile Court, Cobb County Probate Court, & Cobb County Superior Court
Homestead Book – 1866 – 1928 Cobb County Courthouse
Land Lot Index, 1868 – 1938 Cobb County Courthouse
Marriage Index and Certificates “Cobb County, Georgia: Index to White Marriages, 1865 – 1937”, “Index to Colored Marriages, 1865 – 1966”, and associated addendums
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Minute Book A: 1865 – 1879
Minute Book B: 1880 – 1888
Minute Book C: 1889 – 1893
Minute Book D: 1893 – 1896
Minute Book E: 1897 – 1901
Cobb County Courthouse
Miscellaneous Estate Papers “The Index to Loose Papers, 1837 – 1877
LDS Library, Microfilm Roll 2055469
Superior Court Book 1868 – 1936 Cobb County Superior Court
Georgia Archives, Morrow, GA
Will Book, 1866 – 1918 Cobb County Courthouse