1851 Birth:1823,2658 Birth year of 1851 estimated based on age (29 years) in 1880 census enumeration. Birth place of Indiana was given in 1876 marriage record and Ohio was given in 1880 enumeration.

1876 Marriage Record:1823 16 July 1876, Calvin, Cass County; Alonzo J. Cannady , residing in Cass County, age 27, born in Noble County, Indiana, farming; Mary M. Welch (maiden name: —— Ford) , residing in Cass County, age 26, born in Indiana; married by Levi J. Reynolds, Justice of the Peace; witnessed by Phoebe Ford and Sarah Reynolds of Calvin.

1880 U.S. Census:2658 Mary enumerated in the household of her husband Alonzo Cannady in Cassiopolis, Cass County, Michigan as a female, age 29, wife, married, keeping house, cannot read or write, born in Ohio, father born in Virginia, mother born in North Carolina. Others enumerated were Lincoln Cannady, age 15, brother of Alonzo; Zacharia Lett, age 18, John Lett, age 16, and Sarah Jane Gess, age 50, all boarders.