When Oscar Gerhard Lundgoot Lundgaat was born on 10 October 1899, in Bergen, Hordaland, Norway, his father, Peter Peder Olsen Lundgoot Lundgaaten, was 25 and his mother, Karoline Asse Johannesen Johannsdotter, was 20. He married Florance H Kempe on 12 August 1922, in Cook, Illinois, United States. They were the parents of at least 1 son. He lived in Chicago, Cook, Illinois, United States for about 30 years. He died in May 1979, in Northbrook, Cook, Illinois, United States, at the age of 79, and was buried in Mount Emblem Cemetery, Elmhurst, DuPage, Illinois, United States.