When Zachariah Pyburn was born in 1856, in Polk, Oregon, United States, his father, Francis Marion Pyburn, was 28 and his mother, Martha Ann Hawkins, was 19. He married Harriet A " Hattie" Ham on 30 May 1875. They were the parents of at least 1 son and 1 daughter. He lived in Oregon, United States in 1870 and Monmouth, Polk, Oregon, United States in 1880. He died on 23 July 1897, in Medical Lake, Spokane, Washington, United States, at the age of 41, and was buried in Colfax, Whitman, Washington, United States.