Not related, just trying to help.
This may be your Myrtle.
There is a Cook County marriage for a Myrtle Schneider to a Raymond Michner 29 Nov 1922.
On the 1930 Chicago census:
Michner, Raymond 29 b. IL f:Ger m:Ger
Myrtle A 28 b. IL f:MO m:IL
Lorraine B 4 6/12 b. IL
Raymond Michner died 25 Jan 1970
Synopsis of obit: Raymond J. Michner, h/o Myrtle A, f/o Lorraine B. Rominger of Sacramento, CA, grndf/o Dale W, Ronald B., Alan L, and Lee M., b/o Helen of New York City and late Edwin and Walter. Retired from Western Electric.
Cremation Acacia Park Cemetery.
SSDI Myrtle A. Michner
b. 25 Jul 1901
d. 21 Mar 1991
issued Illinois (but does not give where last benefit went)
This may be Lorraine
Lorraine Schneider m. Robert F. Stich 25 Apr 1942
SSDI Lorraine N. Stich
b. 5 Oct 1921
d. 30 Oct 2010 Edmond, Oklahoma, Oklahoma
Hope this helps,