In 1917, Hatfield married Judith Barlow Hogan. Together they had three children: Janine Snyder, Mary Elizabeth Gracier, and Georgette Judith Kelley.[1] Hatfield graduated from Stanford University and received his doctor degree of jurisprudence.[2]
Hatfield served in the United States Army in World War I and also in United States Navy. From 1922 to around 1950, Hatfield was a member of the Republican State Central Committee. From 1923 to 1927, he was an active member of the California Veterans Welfare Board. From 1925 to 1933, Hatfield was the U.S. Attorney for Northern California. Hatfield Served in the California State Senate from 1943 until his death in 1953.[1]