1896 Birth:930,1900 Birth date of February 1896 taken from 1900 census enumeration. Birth place of Chicago assumed because parents George J. Cannady and Mary Ryder were married there in 1892 and resided there at the time of the 1900 census enumeration. There is no indication the family left the Chicago area.

1900 U.S. Census:930 William enumerated in the household of his father George J. Cannady at 5714 Lowe Street in Chicago, Cook County, Illinois as a son, white, male, born Feb. 1896, age 4, single, born in Illinois, father born in Indiana, mother born in Illinois.

1910 U.S. Census:949 William enumerated in the household of his father George J. Cannady at 722 Thirty fifth Street in Chicago, Cook County, Illinois as a son, male, white, 14, single, born in Ohio, father born in Indiana, mother born in Illinois, can speak English, drug clerk, drug store, worker, employed all year, can read and write, attended school within the year. Also residing in the household were mother Mary Ryder and siblings Helen, Chester, Ruth, Walter, and George Jr. as well as maternal grandfather Andrew Ryder.

1920 U.S. Census:2631 William enumerated in the household of his brother-in-law Conrad Schellenberg at 417 South 89th Street in 31st Ward Chicago, Cook County, Illinois as a brother-in-law, male, white, 23, single, can read and write, born in Ohio, father born in Indiana, mother born in Ohio, speculator at stock yards, works on own account. Other household residents were William's sister Ruth Cannady Schellenberg and his brothers Walter, age 20, and George, age 12.

1930 U.S. Census:2633
Cook County, Illinois (11th Ward, Chicago)
Enumerated 14 April 1930
3130 Union Street
William Cannady •• head, rents home, $15 monthly rent, has radio set, male, white, 33, married, first married at age 24, can read and write, born in Ohio, father born in Illinois, mother born in Illinois, oiler in community sanitary district, unemployed, veteran in World War
Loretta •• wife, female, white, 29, married, first married at age 20, can read and write, born in Illinois, father born in Ireland, mother born in Ireland

1937 U.S. Social Security Act Application:1082 William Thomas Kennedy; residence, 3130 So. Union Avenue, Chicago, Ill.; unemployed; age 31, born 14 Feb 1906, Chicago, Ill.; father, George Joseph Kennedy; mother, Mary Ryder; male; white; signed 3 July 1937. Actual birthdate believed to be 1896, not 1906.

1967 Death:980 William Cannady died in July 1967 in Kankakee, Kankakee County, Illinois, per Social Security Death Index.