Dennis married Rose Standish Gott (1845-1924), daughter of Samuel M. Gott and Hannah H. (Richardson) Gott.
Dennis and Rose had five children:
Lora Mae Driscoll (1869-1953) – later Mrs. Byron F. Horne
Clara Adelaide Driscoll (1872-1964) – later Mrs. Joseph Dana Phillips
Sara L. Driscoll (1880-1955) – later Mrs. Milton Saunders Capen
William Perry Driscoll (1883-1883) – born May 11, 1883 – died December 27, 1883
John Melvin Driscoll (1890-1918)
“Driscoll - Dennis Driscoll (1843-1928),” Southwest Harbor Public Library, accessed April 19, 2024, https://swhpl.digitalarchive.us/items/show/9056.Item 13072
