USA (1,379,301) > Iowa (43,684) > O'Brien County (301) > O'Brien County Military Records (8)
USA (1,379,301) > Iowa (43,684) > Iowa Military Records (1,045) > O'Brien County Military Records (8)
NOTE: Additional records that apply to O'Brien County are also on the Iowa Military Records page.
Assessor's books of men liable for military duty, 1883-1918 FamilySearch Library
Biographical data and army record of old soldiers who have lived in O'Brien Co. Iowa LDS Genealogy
Biographical data and army record of old soldiers who have lived in O'Brien Co. Iowa Internet Archive
Biographical data and army record of old soldiers who have lived in O'Brien Co., Iowa Ancestry
Biographical data and army record of old soldiers who have lived in O'Brien Co., Iowa Genealogy Gophers
Biographical data and army record of old soldiers who have lived in O'Brien County, Iowa FamilySearch Library
Civil War: 1883 Pensioners On The Roll Genealogy Trails
World War 2: Army Honor List of Dead and Missing Genealogy Trails