This may be Great Great Grandma Sarah Jane Doan who survived her husband John Doan(deceased 1895).  Note a grandson by the name of Harry F. Curl age 10 years is listed below Sarahs entry.  This would match the following entry from the Cook County Monthly Meeting Database:

Date: [?]
Name: Harry Fulton Curl
Relative: son of: Henry & Hannah (Doan)
Birth Date: 15 Sep 1879

and also this entry:

I will have to do some more research on this entry.  Note also that Sarah's entry reflects 11 Children with 9 living at the time of this census(1900).