According to the SSDI, there was a "Seth Dempsey" (234-12-4905, issued in West Virginia), who was born in 6/14/1916 and died in December 1978. According to the CDI, "Seth A. Dempsey" (234-12-4905) was born on 6/14/1916 in West Virginia and died on 12/15/1978 in Ventura Co., California. According to the WWII Army Enlistment Records, "Seth A. Dempsey" was born in 1916 in Fayette Co., West Virginia, was enlisted as an Infantry Private on 9/2/1940 in Fort Thomas, Newport, Kentucky, and he had 3 years of high school and worked in civil life as a truck driver. He was 5' 9" and weighted 169 lbs. at his enlistment, and he was also single with no dependents. According to the 1920 census, "Seth Dempsey" had an older sister "Myrtle Dempsey" (born in c. 1913), a younger sister "Fay Dempsey" (born in c. 1918), and a younger brother born in c. 1919. His parents were "Roy Dempsey" (born in c. 1880) and "Loren Dempsey" (born in c. 1891), and the family lived in Fayetteville, Fayette, West Virginia. Roy Dempsey worked as a stone mason. "Seth A. Dempsey" (born on 6/14/1916) is listed in the Dempsey Genealogical Exchange and the contact is "Arthur Dempsey". Considering that Seth died in California, it might be noteworthy that a "Seth Bland Dempsey" was born in Alameda Co., California on 8/2/1952 (mother's maiden name: Spangenberg) and a "Seth B. Dempsey" (age 54) is listed in the US Public Records Index for Sebastopol, California (I have the address and phone number).
I hope this information aids your search!
