Idaho restricts access to it's vital records but I did find information about Claire, his parents and siblings.
In 1930 they lived in Jerome, Jerome, Idaho.
Jess Osborn, b. IA, 47, general farmer.
Frances S., wife, b. IA, 44.
Virgin J., b. ID, 16.
Edith E., b. ID, 15.
D. Claire, son, b. ID, 13.
Cleon P., dau, b. ID, 11/12.
Claire D. Osborn
Born: 1917, Idaho
Residence: Twin Falls Co., ID
Enlisted: 24 Jan 1944, Boise, ID
Education: 4 yrs high school
Civil Occupation: farm couples
Marital Status: single without dependents
Source: U. S. World War II Army Enlistment Records 1938-1946.
His father Jess died Dec. 1948 in Twin Falls Co., ID. His obituary might say where Claire was living at that time or mention his wife. There are two obituary volunteers in Twin Falls Co. at freepages.genealogy.rootsweb.ancestry.com/~obitl/volid.html
Scroll down to Twin Falls.
Choose ONE volunteer at a time.
His mother Frances died May 1976, Shoshone Co., ID. Contact Wallace Public Library, http://wallace.lili.org/node/69
for a copy of her obituary.
His brother Virgil died Jan 1980 in Twin Falls Co.
His sister Edith married Leonard V. Kennison on 9 Sept. 1945 in Cassia Co., ID
Edith Residence: Burley, Cassia, ID
Leonard Residence: Jerome Co., ID
Source: Volume 6, p. 188, Western States Marriage Record Index.
Edith E. Kennison
Born: 3 Sept. 1914
Died: 24 July 2002 possibly Jerome, Jerome, ID
Source: Social Security Death Index
There are two obituary volunteers in Jerome Co. at freepages.genealogy.rootsweb.ancestry.com/~obitl/volid.html
Scroll down to Jerome Co. & choose ONE volunteer at a time.
The obituary should list Kennison survivors and where they were living in 2002. Then I use spokeo.com or zabasearch.com to find current contact info.
Born: 21 Aug 1917
Enlistment Date: 14 Feb 1944
Release Date: 10 Feb 1946
Died: 2 June 1977
Source: U. S. Dept. of Veterans Affairs BIRLS Death File 1850-2010.
Born: 21 Aug 1917
Died: June 1977 possibly in Rupert, Minidoka, ID
Source: Social Security Death Index.
There is an obituary volunteer at freepages for Minidoka Co. too.
He might also have died in Emmett, Gem Co., ID. Idaho won't release death info until 50 years after the death so that's why I can't be sure where he died.
Gem Co. also has an obituary volunteer at freepages. Successful Searching!