- Iowa, Births and Christenings, 1830-1950 Index only.
- Iowa, Delayed Birth Records, 1850-1939 — index and images
- Iowa, Delayed Birth Records, 1856-1940, ($), index and images.
- Iowa Births and Christenings Index, 1857-1947 Index only ($)
- Iowa, County Births, 1880-1935
- Iowa, Birth Records, 1921-1942, index..
- United States Marriages – Iowa, 1518-1996 ($) index and images
- Iowa, Marriages, 1809-1992 Index only.
- Iowa, Select Marriages, 1809-1992 ($) , index.
- Iowa, Marriages, 1809-1992, ($), index.
- Iowa Marriages 1835 to 1850 Abstracts ($)
- Iowa, Marriages, 1836 - 1926, ($), index.
- Iowa, County Marriages, 1838-1934 — index and images
- Iowa, Marriages, 1851-1900 Index only ($)
- Iowa, Marriage Records, 1880-1940 ($) index and images
African American Records
- Iowa, Deaths and Burials, 1850-1990 Index only.
- Iowa, Select Deaths and Burials, 1850-1990 ($), index.
- Iowa, Deaths and Burials, 1850-1990 ($), index.
- Iowa, County Death Records, 1880-1992.
- Iowa, Death Records, 1921-1940 — index and images
- United States Social Security Death Index. Index and images.
- U.S., Social Security Death Index, 1935-2014 ($)
- U.S., Social Security Applications and Claims Index, 1936-2007, incomplete, ($).
- TAPS is death information on United Spanish War Veterans.
- Online Iowa Death Records Indexes and Obituaries, by county
Census - State Census
- County and Town Histories of Iowa, with biographies.
- IAGenWeb Biographies .
- IAGenWeb Iowa History - A Narrative History of the People of Iowa.
- Iowa Biographies Project.
- Access Genealogy Iowa Biographies.
- Iowa Biographical Dictionary, 1878 ($)
- History of Iowa from the earliest times to the beginning of the twentieth century, 1903, e-book
- African American Women Students at the University of Iowa, 1910-1960.
- Men of Iowa : a collection of portraits of representative men in business, professional and official life in the great state of ($)
- Iowa Progressive Men, ($). index.
- A Memorial and biographical record of Iowa, ($), index, images.
- Biographies and portraits of the progressive men of Iowa : leaders in business, politics and the professions: together with an original and authentic history of the state., ($), index, images.
- Iowa pioneer foundations, ($), index, images.
- Recollections and sketches of notable lawyers and public men of early Iowa : belonging to the first and second generations..., ($), index, images.
- The Germans of Iowa and their achievements (Die Deutschen von Iowa und deren Errungenschaften), ($), index, images. (in German)
- Iowa History and Its Foremost Citizens, ($), index, images.
- Historical sketches of Iowa Baptists, ($), index, images.
- A narrative history of the people of Iowa, Vol. 1, e-book, Vol. 2, Vol. 3, Vol. 4, Vol. 5
- United States Online Census, 1790-1940
- Iowa Census Project, indexes.
- Iowa State Census Collection, 1836-1925 ($)
- Iowa Census, 1838-70 ($)
- Iowa Non-Population Census Schedules, 1850-1880, ($), images, no index.
- Iowa State Census, 1885 Index only.
- Iowa, State Census, 1885 ($)
- Iowa State Census, 1895 Index and images.
- Iowa, State Census, 1895 ($)
- Iowa State Census, 1905 Index and images.
- Iowa, State Census, 1905, ($), Index
- Iowa State Census, 1915 — index and images
- Iowa State Census, 1925 Images only. Broken down by county and town
- Iowa State Census Transcription Project
Emigration and Immigration
- County and Town Histories
- Northwestern Iowa, ($), index, images.
- Documentary material relating to the history of Iowa, ($), index, images.
- The Hollanders of Iowa, ($), index, images.
- IGS school, sorority, fraternity, and Who’s Who yearbooks., images.
- An illustrated history of the state of Iowa, being a complete civil, political, and military history of the state, from its first exploration down to 1875;, partial index, images.
Indian Wars, dates vary
War of 1812, 1812-1815
Mexican War, 1846-1848
Civil War, 1861-1865
Spanish-American War, 1898
World War I, 1917-1918
World War II, 1941-1945
Korean War, 1950-1953
Vietnam War, 1964-1972
Naturalization and Citizenship
- U.S. Naturalization Record Indexes for Illinois, Indiana, Wisconsin, Iowa, 1791-1992 Index ($)
- Iowa, Federal Naturalization Records, 1856-1937, index and images, ($).
- United States, Iowa Naturalization Records, 1859-1990, index.