Ida Mae THOMPSON md Louis A. MCDONALD on 11 Nov 1885 in Ford Co. IL. Their marriage record is in volume 1, page 93, record #3572.
In 1900, Louis and family are in ward 34, Chicago, Cook, IL: head, Louis A., 40, b Aug 1859, md 13 yrs, IL IL IL, attorney-at-law wife, Ida M., 38, b Aug 1861, 4 chn, 4 living, OH OH MI son, Harold A., 13, b Oct 1886, IL son, Herbert W., 11, b Sep 1888, IL dau, Helen L., 4, b Oct 1895, IL son, Dick, 4/12, b Jan 1900, IL
In the 1910 Chicago census, Louis and Ida's full names are listed; Louis Arthur 50 and Ida Mae Thompson MCDONALD 48. Their 4 children are still at home and Dick, in the 1900 census, is ?Homer/Horner T. but not Dick or Richard.