When John Albert Borlase was born on 3 October 1878, in Draper, Salt Lake, Utah, United States, his father, John A. Borlase, was 25 and his mother, Melissa Adelia Canfield, was 26. He married Myrtle Rozsa on 8 July 1902, in Evanston, Uinta, Wyoming, United States. They were the parents of at least 2 sons. He lived in Midvale, Salt Lake, Utah, United States in 1920. He died on 11 November 1958, in Twin Falls, Twin Falls, Idaho, United States, at the age of 80, and was buried in Logan, Cache, Utah, United States.