General Sources

1. Family Data
   Ethel Trosper Fattig Collection
   The Derickson Pedigree Chart was given to Ethel Trosper Fattig by Wm. Ross Marshall in 1971.
   
2. 1850 Census
   

   1850 Census - Polk Co., Iowa - Sept 10, 1850
   |f# |name                 |ag|s|occu   |birth
   |631|William Derrickson   |37|m|Farmer |Ohio
   |   |Mary A. Derrickson   |36|f|       |Delaware
   |   |Erastus Derrickson   |15|m|Farming|Ohio
   |   |Sarah A. Derrickson  |11|f|       |Indiana
   |   |William W. Derrickson|9 |m|       |Indiana
   |   |Charles W. Derrickson|7 |m|       |Illinois
   |   |Dwight Derrickson    |5 |m|       |Illinois
   |   |James S. Derrickson  |1 |m|       |Illinois
   

3. 1860 Census
   

   1860 Census - Polk County, Iowa - June 15,1960
   |h# |f# |name               |ag|s|occu     |re |pe|birth   |s|twp
   |120|106|William Derickson  |46|m|Carpenter|400|45|Ohio    | |Madison
   |   |   |Mary A. Derickson  |45|f|         |   |  |Delaware| |
   |   |   |W.W. Derickson     |17|m|Farm hand|   |  |Illinois| |
   |   |   |C.W. Derickson     |16|m|Farm hand|   |  |Illinois|x|
   |   |   |Dwight Derickson   |15|m|Farm hand|   |  |Illinois|x|
   |   |   |J.S. Derickson     |11|m|         |   |  |Illinois|x|
   |   |   |Sarah Derickson    |8 |f|         |   |  |Iowa    |x|
   |   |   |George W. Derickson|4 |m|         |   |  |Iowa    | |
   |   |   |E.Z. Howe          |21|m|Farmer   |   |  |Indiana | |
   |   |   |S.A. Howe          |21|f|         |   |  |Indiana | |