1885 Iowa State Census, page 88
Keokuk County, Fords road or subdivision
Klepfer, Stephen, 37, male, married, farmer, born in Germany, both parents of foreign birth, subject to military duty, eligible to vote
Klepfer, Elizabeth, 25, female, married, keeps house, born in Illinois, both parents of native birth
Klepfer, Stephen, 10, male, born in Illinois, father of foreign birth, mother of native birth
Klepfer, Emma, 7, female, born in Illinois, father of foreign birth, mother of native birth
Klepfer, William, 3, male, born in Illinois, father of foreign birth, mother of native birth
Klepfer, George, 1, male, born in Illinois, father of foreign birth, mother of native birth

Stephen Alonis Klepfer registered for the World War I draft, 825 West 3rd, Cedar Falls, Black Hawk County, Iowa, age 44, born 1 November 1874, white, native born, occupation salesman for Hughes Dry Goods Co of Cedar Falls, Iowa, nearest relative wife Alice Klepfer of same address, medium height, medium build, brown eyes, hair black but bald, not disabled. 12 September 1918.

On 25 August 1948, Stephen Alonis Klepfer died at Sartori Memorial Hospital, Cedar Falls, Black Hawk County, Iowa. Hospital stay of 11 days; in this community 30 years, 6 months, 11 days; usual resident of 222-1/2 Main Street, Cedar Falls, Black Hawk County, Iowa; not foreign born; male, white, married; wife Alice C, 74 years old; born 1 November 1874; age 73 years, 9 months, 24 days; born in Warsaw, Illinois; retired; father Stephen Klepfer, born in Germany; mother [blank] Viech, born in Germany; informant Harold Klepfer of Cedar Falls, Iowa; burial on 28 August 1948 at Greenwood, Cedar Falls, Iowa; cause of death bronchial pneumonia, 3 days; SSN 479-10-7231. [Iowa State Department of Health, Certificate of Death 17121.]