The diaries, containing nearly daily entries, commenced on February 23, 1889, in Miner's Delight, Wyoming Territory. They chronicle early married life in Miner's Delight, traveling from Miner's Delight to Chehalis, Washington Territory, by horse and wagon following the Oregon Trail much of the way, wand later traveling by the same means from Tacoma, Washington, to Baker City, Oregon. The Dillabaugh family lived in Baker City from 1892 to 1915, and then lived in Vancouver, Washington and Portland, Oregon. The last diary entry was made on July 5, 1940, in Portland, Oregon.