Hi I have the 1930 census and SS details if yoou want them but I would need your email address.

I can send you his enlistment record:
U.S. World War II Army Enlistment Records, 1938-1946 about James H Buchanan
Name: James H Buchanan
Birth Year: 1921
Race: White, citizen (White)
Nativity State or Country: Arkansas
State of Residence: Arkansas
County or City: Washington

Enlistment Date: 1 Sep 1942
Enlistment State: Arkansas
Enlistment City: Little Rock
Branch: Branch Immaterial - Warrant Officers, USA
Branch Code: Branch Immaterial - Warrant Officers, USA
Grade: Private
Grade Code: Private
Term of Enlistment: Enlistment for the duration of the War or other emergency, plus six months, subject to the discretion of the President or otherwise according to law
Component: Selectees (Enlisted Men)
Source: Civil Life

Education: 1 year of college
Marital Status: Single, with dependents
Height: 69
Weight: 140