Hi What is your source of the information you have posted.
Drumheller Cemetery Search
http://www.dinosaurvalley.com/cemetery-searchYou know that Ruber SHULAR married William Rine COOKE [left him - Divorce? When Where]
Married a Policeman -do you have a NAME When did the marriage take place
You know that Ruby who, prev married to Cooke - nee SCHULAR
passed away in the 1950's. Search would have to be in her most current Surname.
Marriage Papers ? - There may be church records for a marriage.
Marriage Registration / Long Form Marriage Certificate
Registration of Death / Long Form Death Certificate
may be obtained from Govt of Alberta - Vital Statistics Registry offices.
Vital Events have not been made public by the Govt Sources.