1872 Birth Record:328 State of Illinois, Cook County. Full name of child: Mary Ryder. Female, white. Date of birth: Sept. 14, 1872. Place of Birth: Wallace Lake, Illinois. Chicago, Illinois. Residence of mother: Wallace Lake, Illinois. Chicago, Illinois. Full name of mother: Alice Ryder. Maiden name of mother: Alice Reid. Full name of father: Andrew Ryder. Occupation: Stock dealer.

1880 U.S. Census:418 Mary enumerated in household of father Andrew Rider in Chicago, Cook County, Illinois, as white, female, age 8, daughter, at school 6 months this year, place of birth: Illinois, place of birth of father: New York, place of birth of mother: New York

1900 U.S. Census:930 Mary enumerated in household of husband George Cannady in Town of the Lake, Chicago, Cook County, Illinois, as wife, white, female, born Sept. 1872, age 28, married 8 years, mother of 5 children, 5 children still living, born in Illinois, father born in New York, mother born in Illinois, can read, can write, can speak English

1910 Institutionalized:1518 On 10 February 1910, a jury found Mary Cannady, age 37, who was then in the custody of the Sheriff of Cook County and arrested at the instance of George J. Cannady, insane and ordered her committed to the Kankakee State Hospital, Kankakee, Illinois.

1910 U.S. Census:949 On 16 April 1910, Mary was enumerated in household of husband George J. Cannady in Chicago City, Cook County, Illinois as wife, female, white, 37, married once for 17 years, 6 children born and still living, born in Illinois, father born in Illinois, mother born in New York, can speak English, can read and write.

1919: Possible divorce? At George's death in 1931, he was married to an Emma L. Cannady and had lived in California for 12 years.

1920 U.S. Census:941
Illinois, Kankakee County, Kankakee Township, Kankakee State Hospital
Enumerated January 10, 1920
Canady, Mary •• patient, female, white, age 47, married, able to read, able to write, born in Illinois

1930 U.S. Census:1362
Kankakee County, Illinois (Kankakee)
Enumerated 12 April 1930
Kankakee State Hospital
Mary Cannady •• female, white, 57, married, can read and write, born in Illinois, father born in U.S., mother born in U.S.

1930 Conservator Petition:1518 On 18 July 1930, Walter J. Cannady petitioned the Probate Court of Cook County, Illinois to be appointed conservator of the estate of Mary Cannady, who was described as "insane." At the time, her personal estate did not exceed $150.

1944 Death Certificate:329 State of Illinois, County of Kankakee, Kankakee Township. Kankakee State Hospital. Length of time at place where death occurred: 34 years, 9 months, 8 days. Date of death: Nov. 26, 1944. Place of residence: Illinois, Cook County, Chicago, 3512 Parnell Ave. Full name: Mary Cannady. Not veteran. No SSN. Female, white, married. Name of husband: Unknown. Date of birth: 1873. Age: 71. Birthplace: Unknown. Occupation: Housewife. Name and birthplace of father/mother: Unknown. Informant: Mildred Smith, Hospital Records, Kankakee State Hospital. Place of burial: Mt. Olivet, Wilmington, Will County, Illinois. Date of burial: Nov. 28, 1944.