When Zenas Kimberly Fillerup was born on 24 May 1878, in Lakeview, Utah, Utah, United States, his father, Andrew Peter Fillerup, was 46 and his mother, Caroline Rasmussen, was 36. He married Clara Williamson on 14 September 1898, in Salt Lake City, Salt Lake, Utah, United States. They were the parents of at least 1 daughter. He lived in Provo, Utah, Utah, United States in 1880. He died on 11 February 1902, in Salt Lake City, Salt Lake, Utah, United States, at the age of 23, and was buried in Provo, Utah, Utah, United States.