Clayton County Genealogy
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Clayton Countywide Sources
1790-1940 U.S. Federal Census World Vital Records
1790-1940 United States Federal Census Archives
1840 Federal Census USGenWeb Archives
1850 Federal Census Index - File 1 of 3 USGenWeb Archives
1850 Federal Census Index - File 2 of 3 USGenWeb Archives
1850 Federal Census Index - File 3 of 3 USGenWeb Archives
1860 Federal Census - File 1 0f 2 USGenWeb Archives
1860 Federal Census - File 2 0f 2 USGenWeb Archives
1880-1920 and 1940-present Iowa Birth Certificates (order here) Archives
1880-1920 and 1940-present Iowa Death Certificates (order here) Archives
1880-1920 and 1940-present Iowa Marriage Certificates (order here) Archives
1984 history of Clayton County Family History Library
Allamakee County, Iowa, burial grounds, 1845-1988 Family History Library
BillionGraves Cemetery Records Index Family Search
Church records, 1867-1978 (Catholic Church. St. Mary's (Clayton County, Iowa)) Family History Library
Circuit Court records, 1868-1886 Family History Library
Clayton County Investors US Gen Web Archives
Coroner's reports, 1855-1959 Family History Library
County Court records, 1850-1855 Family History Library
Court records, 1850-1855 Family History Library
Death records, 1880-1921 Family History Library
Deeds, 1839-1934 Family History Library
District Court records, 1838-1930 Family History Library
Divorce records, 1921-1938 Family History Library
Divorce records, v. 1, 1879-1987 Family History Library
Early marriages in Clayton Co., IA Part 1 US Gen Web Archives
Early marriages in Clayton Co., IA Part 2 US Gen Web Archives
Family maps of Clayton County, Iowa : with homesteads, roads, waterways, towns, cemeteries, railroads and more Family History Library
Federal Land Patents Bureau of Land Management
Find A Grave Gravestone, Tombstone, and Memorial Photo Collection World Vital Records
History of Clayton County, Iowa : from the earliest historical times down to the present including a genealogical and biographical record of many representative families Family History Library
History of Clayton County, Iowa : together with sketches of its cities, villages and townships, educational, religious, civil, military, and political history; portraits of prominent persons and biographies of representative citizens Family History Library
History of Clayton County, Iowa schools Family History Library
History of Clayton County, Iowa schools : including Millville Township country schools Family History Library
Homestead records, 1898-1986 Family History Library
Index to Coroner's reports Family History Library
Index to History of Clayton County, Iowa Family History Library
Index to affidavits & powers of attorney, v. 1-2, 1907-1930 Family History Library
Index to the history of Clayton County, Iowa Family History Library
Iowa Births and Christenings Index, 1857-1947
Iowa Births and Christenings, 1830-1950 Family Search
Iowa Cemetery Records
Iowa Deaths and Burials, 1850-1990 Family Search
Iowa Marriage Records 1834 - 1900 Archives
Iowa Marriages, 1809-1992 Family Search
Iowa, County Births, 1880-1935 Family Search
Land atlas and plat book, Clayton County, Iowa Family History Library
Marriage records, 1839-1928 Family History Library
Naturalization records, 1858-1929 Family History Library
Obituary, marriage, birth cards index to county newspapers, 1850-1890 Family History Library
Old age pension taxes, 1937-1965 Family History Library
Original entries, 1847-1879 Family History Library
Plat book of Clayton County, Iowa Family History Library
Portrait and biographical record of Dubuque, Jones and Clayton Counties, Iowa : containing biographical sketches
Portrait and biographical record of Dubuque, Jones and Clayton counties, Iowa : containing biographical sketches of prominent and representative citizens of the counties, together with biographies and portraits of all the presidents of the United States Family History Library
Probate Judge's book, 1849-1850 Family History Library
Probate records, 1840-1937 Family History Library
Record of births, 1897-1929 Family History Library
Register of births, 1880-1897 Family History Library
School census, 1938 Family History Library
School register, 1850 Family History Library
Soldier's discharge records, 1865-1948 Family History Library
Standard atlas of Clayton County, Iowa : including a plat book of the villages, cities and townships; patrons directory Family History Library
Tax records, 1861-1978 Family History Library
Town lot deeds, 1840-1948 Family History Library
Transfer of lands, 1847-1930 Family History Library
Transfer of town lots, 1850-1909 Family History Library
U.S. Federal Census 1790-1940 Family Search
WWII Enlistments- Surnames A-J US Gen Web Archives
WWII Enlistments- Surnames K-T US Gen Web Archives
WWII Enlistments- Surnames T-Z US Gen Web Archives
Will Testators Indexes 1855-1881 Sampubco
Will record, 1855-1925 Family History Library
World War II Honor List of Dead and Missing for State of Iowa War Dept. June 1946-Clayton County US Gen Web Archives
More Clayton County records are available on the statewide page