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| Name | Spouse | Event | Date of Event | Event Location | Submitted by |
| Hagan, John David | Margaret Mary Hoyt | Wedding | August 11, 1956 | Shellsburg, Iowa | Tierney Lynch Ratti |
| Haines, Amanda | Earl Garr | Wedding | March 17, 1923 | Marengo, Iowa | John Shuck |
| Hannemann, Henry | Mary Hannemann | 50th Anniversary | February 6, 1945 | The couple's home in Van Horne. | Kate Ramsey |
| Harris, Ada Ethel | Floyd Owens | Wedding | August 31, 1902 | Mason City, Iowa | Sally Goehring |
| Harris, Levi | Amanda C. Engledow | Wedding | September 18, 1878 | Vinton | Mark Engledow |
| Harris, Millie B. | Walter D. Sable | Wedding | . | Belle Plaine, Iowa | Sally Goehring |
| Harrison, James | Inez Rice | Wedding | March 13, 1912 | Home of the Bride In Vinton | Kathie Harrison |
| Hartz, Bernice Mary | Hiram Jacob Lanam | Wedding | February 27, 1937 | Blairstown, Iowa | John Shuck |
| Hartz, Milford | Helen Plagmann | Wedding | February 27, 1937 | Blairstown, Iowa | John Shuck |
| Haupert, Frank | Bessie Selby | Wedding | October 27, 1920 | Presbyterian Church, Marshalltown | Ann Archer-Cogan |
| Helm, L. D. | 50th Anniversary | 1950 | Belle Plaine, Iowa | Sally Goehring | |
| Hollingsworth, Mattie E. | John D. Brown | Wedding | September 19, 1878 | Vinton | Mark Engledow |
| Howell, Mary | George Redington | 74th Anniversary | March 3, 1931 | Vinton, Iowa, at the home of Mrs. Alice Donley | Maureen Duncan |
| Hoyt, John C. | Mary Frimml | 50th Anniversary | February 18, 1953 | Watkins, Iowa | Nancy Montague |
| Hoyt, Margaret Mary | John David Hagan | Wedding | August 11, 1956 | Shellsburg, Iowa | Tierney Lynch Ratti |
| Hudson, Frank | Edith Miller | 50th Anniversary | December 22, 1946 | Vinton, Iowa | John Shuck |
| Name | Spouse | Event | Date of Event | Event Location | Submitted by |
| Ilsley, Helen S. | Rev. W. H. Ilsley | 47th Anniversary | October 21, 1920 | . | Ann Archer-Cogan |
| Ilsley, William H. | Helen S. Ilsley | 47th Anniversary | October 21, 1920 | . | Ann Archer-Cogan |
| Ineck, Emma | John D. Wilson, Jr. | Wedding | June 30, 1896 | Home of George and Jane Preston, Coralville, Johnson Co, IA | Ann Archer-Cogan |
| Name | Spouse | Event | Date of Event | Event Location | Submitted by |
| Jenks, Margaret C. | James Leverich | Wedding | December 25, 1865 | Jackson township | Mark Engledow |
| Johnson, Rollin | Mabel Benson | 50th Anniversary | March 11, 1964 | Vinton, Iowa | John Shuck |
| Jones, Glenn L. | Katherine Muth | Wedding | September 2, 1945 | Vinton, Iowa | John Shuck |
| Name | Spouse | Event | Date of Event | Event Location | Submitted by |
| Kern, Flora Isabel | Herman Emil Back | Anniversary | December 25, 1919 | Kern home near Blairstown | John Shuck |
| Kern, Fred | Emma Miner | 25th Anniversary | December 25, 1919 | Kern home near Blairstown | John Shuck |
| Ketterman, James | . | 57th Anniversary | about 1917 | Home in Urbana | Colleen Galbreth |
| Kimm, Anna Elizabeth | Frank Marion Smith | Marriage License / Certificate | February 4, 1901 | Benton Co. Iowa | Kaye Sanchez |
| Kimm, Mary | Charles D. Zahrt | Wedding | January 15, 1895 | Home of bride's parents Mr. and Mrs. Silas Kimm near Walford. | Kaye Sanchez |
| Kimm, Milly Jane | Hoyt E. Carrier | Wedding | January 18, 1947 | Vinton, Iowa | Kaye Sanchez |
| Kimm, Kent Corwin | Donna Eileen Cranston | Wedding | September 21, 1940 | Bride's home in Blairstown | John Shuck |
| Kimm, Silas | Katharina Engel/ Engle | 50th Anniversary | January 15, 1916 | Benton Co.A | Kaye Sanchez |
| Knipp, Marvin D. | Alice E. Moore | Wedding | November 20, 1943 | Santa Ana, California | John Shuck |
| Kramer, Christina | John Smith | 50th Anniversary | April 19, 1964 | Urbana, Iowa | John Shuck |
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