Sources |
- [S3939] http://www.findagrave.com, Headstone, Mayo, Libbie M. and John W., (https://www.findagrave.com/memorial/15831988/john-wesley-mayo), none. (Reliability: 2).
- [S396] Ancestry.com, 1940 United States Federal Census, Clay City, Illinois, (District 13-4) (Township), image 17, page 9a, (https://www.ancestry.com/interactive/2442/M-T0627-00769-00087?backurl=https%3a%2f%2fsearch.ancestry.com%2fsearch%2fdb.as) (Reliability: 3).
- [S3387] Ancestry.com, 1930 United States Federal Census, Clay City, Clay County, Illinois, (District 0004) (Township), image 02, page 1b, (https://www.ancestry.com/interactive/6224/4584337_00620?backurl=https%3a%2f%2fsearch.ancestry.com%2fsearch%2fdb.aspx%3fd), none. (Reliability: 2).
- [S3965] Ancestry.com, 1940 United States Federal Census, Clay City, Illinois, (District 13-4) (Township), image 9, page 5a, (https://www.ancestry.com/interactive/2442/M-T0627-00769-00087?backurl=https%3a%2f%2fsearch.ancestry.com%2fsearch%2fdb.as) (Reliability: 3).
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