- Ancestry.com, 1910 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2006;).
Thirteenth Census of the United States, 1910. Washington, D.C.: National Archives and Records Administration, 1910.T624, 1,178 rolls. Lewistown, Fulton, Illinois, ED , roll T624_288, part , page .
- Ancestry.com, 1920 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2005;).
Fourteenth Census of the United States, 1920. Washington, D.C.: National Archives and Records Administration, 1920.T625, 2,076 rolls. Lewistown, Fulton, Illinois, ED , roll , page , image 746.
- Ancestry.com, 1930 United States Federal Census (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2002;), Database online. Pekin, Tazewell, Illinois, ED 29, roll 562, page ,.
Record for Nelson Blackaby.
- Ancestry.com, Social Security Death Index (Name: Provo, UT, USA: The Generations Network, Inc., 2007;).
Social Security Administration. Social Security Death Index, Master File. Social Security Administration.
- Ibid.
Social Security Administration. Social Security Death Index, Master File. Social Security Administration.
- Ancestry.com, 1910 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2006;).
Thirteenth Census of the United States, 1910. Washington, D.C.: National Archives and Records Administration, 1910.T624, 1,178 rolls. Lewistown, Fulton, Illinois, ED , roll T624_288, part , page .
- Ancestry.com, 1930 United States Federal Census (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2002;), Database online. Pekin, Tazewell, Illinois, ED 29, roll 562, page ,.
Record for Nelson Blackaby.
- Ancestry.com, Social Security Death Index (Name: Provo, UT, USA: The Generations Network, Inc., 2007;).
Social Security Administration. Social Security Death Index, Master File. Social Security Administration.
- Ancestry.com, 1920 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2005;).
Fourteenth Census of the United States, 1920. Washington, D.C.: National Archives and Records Administration, 1920.T625, 2,076 rolls. Lewistown, Fulton, Illinois, ED , roll , page , image 746.
- Ancestry.com, 1910 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2006;).
Thirteenth Census of the United States, 1910. Washington, D.C.: National Archives and Records Administration, 1910.T624, 1,178 rolls. Quiver, Mason, Illinois, ED , roll T624_311, part , page .
- Ancestry.com, 1920 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2005;).
Fourteenth Census of the United States, 1920. Washington, D.C.: National Archives and Records Administration, 1920.T625, 2,076 rolls. Spring Lake, Tazewell, Illinois, ED , roll , page , image 715.
- Ancestry.com, 1930 United States Federal Census (Name: Provo, UT, USA: The Generations Network, Inc., 2002;).
Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930.T626, 2,667 rolls. Pekin, Tazewell, Illinois, ED 29, roll 562, page , image 792.0.