Christopher, I checked all the indexes I have here right now (Illinois Dept. of Public Health Death Index Deaths 50 years and over for ROLL, and noone with exactly the dates and names you gave me is on it. I checked Social Security Death Index, and there were some people with the right names, but the dates didnŽt fit. I found a Roll, Helen in the 1923 City Directory for Chicago which IŽll send as an attached file to your e-mail address, but I donŽt know if this is your Helen Roll. Charlotte and Helen may have got married and changed their names.
Apart from that, I only found an Edgar Roll, b April 6, 1874 in Muhlenberg, Kentucky.
IŽll keep my eyes open for your names and dates and IŽll let you know if I find something that fits. - Ute