When Katherine Margaret “Katie” Schreiber was born on 18 December 1880, in Manhattan, New York City, New York, United States, her father, John Schreiber, was 27 and her mother, Margaretha Schultheifs, was 27. She married Peter Hoffart on 4 June 1902, in Manhattan, New York City, New York, United States. They were the parents of at least 2 sons and 2 daughters. She lived in Clinton, Dutchess, New York, United States in 1930. She died in Rhinebeck, Dutchess, New York, United States.