| Last Name | First Name | Birth | Death | Spouse(s) | Residence | Other |
|---|---|---|---|---|---|---|
| Dugan | Harry A. | 5/14/1987 | Guernsey | |||
| Duggan | Mary | 6/7/1913 | North Sheridan | |||
| Duggan | Jonathan | 3/24/1907 | Sheridan | |||
| Duggan | Catherine M. | 7/19/1867 | 1/20/1908 | Sheridan | ||
| Duggan | William Henry | 11/29/1939 | 11/22/2000 | Bidwell, Mary Jane | Tama | |
| Duggan | Lorri Annette | 7/11/1962 | 8/24/2021 | Mark Wetterstrom; Mark Duggan | Montezuma, Iowa | |
| Dugger | Nicole "Nikki" Lavone | 7/1/1972 | 6/12/2014 | What Cheer, Iowa | beautician | |
| Dugger | Larry LaVonne | 3/13/1937 | 1/11/2021 | Sigourney, Iowa | ||
| Dugger | David Thomas | 3/20/1880 | 9/29/1968 | Whitehead, Nettie Oma | Poweshiek Co. | |
| Duinick | Clarence | 10/26/1920 | 2/16/2010 | Evelyn Watts | Montezuma, Iowa | |
| Duinink | Evelyn May | 10/3/1922 | 12/21/2017 | Clarence Duinink | Montezuma, Iowa | |
| Duinink | Marlyn Lee | 2/2/1957 | 2/24/2020 | Nickie Daniels | Montezuma, Iowa | |
| Duke | John Lewis | 1/20/1908 | 6/27/2011 | Maxine Elizabeth Holtzclaw | ||
| Duke | Les | 10/26/1902 | 5/29/1986 | Griffith, Lois M. | Grinnell | |
| Duke | Lois M. | 4/6/1904 | 4/21/1987 | Duke, Les | Grinnell | |
| Dumbauld | Catherine | 4/9/1838 | 8/6/1907 | Dumbauld, Peter W. | Tama | |
| Dumbauld | Peter W. | 10/19/1899 | Bodifield, Katherine | Grinnell | ||
| Dumermuth | Jackie | 11/25/1944 | 11/15/1975 | Dumermuth, Dennis | Madison, WI | |
| Dummett | Jeanne Joan | 12/15/1920 | 8/18/2017 | Virgil W. Dummett | ||
| Duncan | Bradley Winfield | 1/3/1955 | 3/30/2013 | What Cheer, Iowa | ||
| Duncan | Diana Marie | 9/3/1970 | 1/9/2024 | Chris Duncan | ||
| Duncan | Jim E. | 11/1/1953 | 2/25/2010 | Bev Breeden | ||
| Duncan | Karen | 11/20/1940 | 9/26/2012 | Gerald Duncan | ||
| Duncan | Kenneth E. | 6/17/1936 | 6/15/2025 | Brooklyn, IA | ||
| Duncan | Ronald C. | 10/31/1943 | 11/9/2023 | Mattie Burkett |