Barack Obama: (No verifiable legal documentation provided as of 8/01/09. “KMBA, your not getting my BC.")
... in 1917.
According to the Wikipedia, home births in the United States declined from 50% in 1938 to under 1% in 1955. In Japan, home births were 95% in 1950 and 1.2% by 1975. I wonder what the numbers for Hawaii are.