[maggief]

1930 Kansas, Butler Co., Augusta, ED 3, sheet 3B, line 81

Payne Rolla C H M W 37 M 29 KS MO OH Bookkeeper Oil company
Leona W F W 32 M 24 KS MO AR
Madelyn D F W 7 S KS KS KS
Charles S M W 5 S KS KS KS
Arlene D F W 3 8/12 S KS KS KS

http://www.wargs.com/political/obama.html

[Jim Hill]

The “S” in the census data you reference indicates “son” and is not his middle initial

[tobyhill]

http://genealogy.about.com/od/aframertrees/p/obama_two.htm