When Agnes Tupy was born about 1875, in Wheatland, Rice, Minnesota, United States, her father, Jacob Tupy, was 44 and her mother, Marie Novak, was 39. She married Frank J. B. Shambour on 22 January 1893, in Lanesburgh Township, Le Sueur, Minnesota, United States. They were the parents of at least 3 sons and 3 daughters. She lived in Lanesburgh Township, Le Sueur, Minnesota, United States for about 15 years and New Prague, Le Sueur, Minnesota, United States in 1930. She died on 2 April 1967, in Le Sueur, Minnesota, United States, at the age of 92, and was buried in New Prague, Scott, Minnesota, United States.