| File Description | File Size | Date | Submitter | 
  
      
| 1880 Montana Federal Census by Surnames A | 42K | Mar 2001 | Gail Collins | 
| 1880 Montana Federal Census by Surnames B | 155K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames C | 134K | Mar 2001 | Gail Collins | 
   
| 1880 Montana Federal Census by Surnames D | 95K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames E | 57K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames F | 96K | Mar 2001 | Gail Collins | 
   
| 1880 Montana Federal Census by Surnames G | 114K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames H | 238K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames I-J | 53K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames K | 90K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames L | 126K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames M | 282K | Mar 2001 | Gail Collins | 
   
| 1880 Montana Federal Census by Surnames N | 61K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames O | 42K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames P | 141K | Mar 2001 | Gail Collins | 
   
| 1880 Montana Federal Census by Surnames Q-R | 96K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames S | 278K | Mar 2001 | Gail Collins | 
   
| 1880 Montana Federal Census by Surnames T | 101K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames U-V | 28K | Mar 2001 | Gail Collins | 
      
| 1880 Montana Federal Census by Surnames W | 185K | Mar 2001 | Gail Collins | 
   
| 1880 Montana Federal Census by Surnames X-Y-Z | 10K | Mar 2001 | Gail Collins |