Parents are Harry J Carroll 1863–? m. Bernice Vernie T Hinckley 1872–?.
His parents were close friends of William Jennings Bryan and he was born soon after the night of Bryan's "Cross of Gold" speech. Bryan sent a ring as a birthday gift. The ring was later given by Meg to Robert Edens but subsequently lost after he went through divorce.
Source: S207 Author: Ancestry.com Title: 1900 United States Federal Census Publication: Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2004.Original data - United States of America, Bureau of the Census. Twelfth Census of the United States, 1900. Washington, D.C.: National Archives and Records Administration, 1900. T623, 18; Repository: Ancestry.com
1910 United States Federal Census; Ancestry Record 7884 #191257493; Name: Robert C Carroll; Age in 1910: 13; Birth Year: abt 1897; Birthplace: Michigan; Home in 1910: Madison, Lenawee, Michigan; Race: White; Gender: Male; Relation to Head of House: Son; Marital Status: Single; Father's name: Harry J Carroll; Father's Birthplace: Canada; Mother's name: Bernice Carroll; Mother's Birthplace: Michigan; Native Tongue: English; Attended School: Yes; Able to Read: Yes; Able to Write: Yes; Household Members: ; Name Age; Harry J Carroll 45; Bernice Carroll 38; Robert C Carroll 13; John Carroll 9; Catherine May 27; Olive Ponley 23; Robert Mills 19. Image
Source: S172 Author: Ancestry.com Title: 1930 United States Federal Census Publication: Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2002.Original data - United States of America, Bureau of the Census. Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930. T626,; Repository: Ancestry.com
Source: S215 Author: Ancestry.com Title: 1940 United States Federal Census Publication: Name: Online publication - Provo, UT, USA: Ancestry.com Operations, Inc., 2012.Original data - United States of America, Bureau of the Census. Sixteenth Census of the United States, 1940. Washington, D.C.: National Archives and Records Administration, 1940. T627; Repository: Ancestry.com