I don't know if this will help anyone but I found a birth record For Dennis Hartwell Dougherty, born June 21, 1931.First child of William James Dougherty age 28, b. Philadelphia, PA, res. 2903 Douglas St. SIoux City, IA, Occ. Professional engineer (R.R.) and Gladys Grace Hartwell, age 26, born Austin, MN.
This comes from birth books at Woodbury County Clerk's office, Sioux City, Iowa: Book L-1, Page 69, Record 20113