-Yes, date unknown
| James Blackford | |
| D: | Yes, date unknown | 
 -Yes, date unknown
| Blackford | |
| D: | Yes, date unknown | 
 -Yes, date unknown
| Helmar Solberg | |
| D: | Yes, date unknown | 
 1878-1954
| John Thomas Blackford | |
| B: | 8 Apr 1878 | 
| Braddyville, Page County, Iowa | |
| D: | 29 May 1954 | 
| Burlington Junction, Nodaway County, Missouri | |
 -Yes, date unknown
| Alice Clark | |
| D: | Yes, date unknown | 
 1890-1958
| Lloyd Jackson Blackford | |
| B: | 19 Jun 1890 | 
| Clearmont, Nodaway County, Missouri | |
| D: | 5 Oct 1958 | 
| Saint Joseph, Buchanan County, Missouri | |
 -Yes, date unknown
| Helen Weddle | |
| D: | Yes, date unknown | 
 1854-1942
| William Martin Blackford | |
| B: | 28 May 1854 | 
| Monroe, Green County, Wisconsin | |
| D: | 20 Feb 1942 | 
| Burlington Junction, Nodaway County, Missouri | |
 1854-1935
| Allice A. Nicholas | |
| B: | 24 Jul 1854 | 
| Green County, Wisconsin | |
| D: | 27 Jan 1935 | 
| Burlington Junction, Nodaway County, Missouri | |
 -Yes, date unknown
| Thomas B. Blackford | |
| B: | Wisconsin | 
| D: | Yes, date unknown | 
 -Yes, date unknown
| Rachel Lewis | |
| B: | Wisconsin | 
| D: | Yes, date unknown |