Ottosen Genealogy (in Humboldt County, IA)
USA (1,403,636) > Iowa (43,482) > Humboldt County (274) > Ottosen (38)
NOTE: Additional records that apply to Ottosen are also found through the Humboldt County and Iowa pages.
Ottosen Birth Records
Iowa Births and Christenings Index, 1800-1999 (incomplete) Ancestry 
Iowa, Birth Records, 1880-present Iowa Department of Public Health
Ottosen Cemetery Records
Iowa Deaths and Burials, 1850-1990 (selections) MyHeritage
Iowa, Select Deaths and Burials, 1850-1990 Ancestry
Union Cemetery Find a Grave
Ottosen Census Records
1905 Iowa State Census MyHeritage
Iowa State Census, 1860 (part of Iowa State Census collection) Ancestry
Iowa State Census, 1885 (part of Iowa State Census collection) Ancestry
Iowa State Census, 1895 (part of Iowa State Census collection) Ancestry
Iowa State Census, 1905 (part of Iowa State Census collection) Ancestry
Iowa State Census, 1915 (part of Iowa State Census collection) Ancestry
Iowa State Census, 1925 (part of Iowa State Census collection) Ancestry
Iowa, State Census Collection, 1836-1925 Ancestry
U.S. Federal Census 1790-1950 Ancestry
U.S. Federal Census 1790-1950 MyHeritage
United States Federal Census, 1790-1950 Family Search
Ottosen Church Records
Iowa Births and Christenings Index, 1800-1999 (incomplete) Ancestry
Trinity church records (in U.S., Evangelical Lutheran Church in America Church Records collection) Ancestry
Ottosen Death Records
1900-1939 Iowa Death Index MyHeritage
Iowa Death Records, 1920-1940 Ancestry
Iowa Deaths and Burials, 1850-1990 (selections) MyHeritage
Iowa, Death Records, 1880-present Iowa Department of Public Health
Iowa, Select Deaths and Burials, 1850-1990 Ancestry
United States Obituary Index from Online Sources MyHeritage
Ottosen Histories and Genealogies
FamilySearch Family Tree MyHeritage
MyHeritage Family Trees MyHeritage
Ottosen Immigration Records
Iowa, Federal Naturalization Records, 1856-1937 Ancestry
Ottosen Marriage Records
1809-1992 Iowa Marriages (selections) MyHeritage
Iowa Marriage Records, 1880-1940 Ancestry
Iowa, Marriage Records, 1880-present Iowa Department of Public Health
Iowa, Marriages, 1836-1926 MyHeritage
Iowa, Select Marriages, 1809-1992 Ancestry
Ottosen Newspapers and Obituaries
United States Obituary Index from Online Sources MyHeritage
Ottosen Probate Records
Iowa Wills and Probate Records, 1758-1997 Ancestry
Ottosen School Records
Ottosen High School yearbook, 1960 Classmates
Ottosen High School yearbook, 1960 (included in US School Yearbooks) Ancestry
Ottosen High School yearbook, 1960 (included in US Yearbooks collection) MyHeritage
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