Hubert Hart d’Autremont was born on the 19th day of February, 1889, in Duluth, Minnesota. He received his educational training in Phillips Exeter Academy, Cornell University and Columbia University, fitting himself for the legal profession. He is a member of the bars of the states of New York, Minnesota and Arizona, and has practiced in those states, having been engaged in the general practice of law in Duluth since 1914. At times Mr. d’Autremont has taken an active part in Democratic politics, but has never held public office.
On January 19, 1919, at Duluth, he was married to Helen C. Congdon, the daughter of Chester A. Congdon, of Duluth, and they have two sons, Charles and Chester. At the outbreak of the hostilities between the United States and Germany Mr. d’Autremont enlisted for service, was commissioned a second lieutenant in the Aviation Corps, and saw four months of active service in France. He received an honorable discharge on February 21, 1919.