Congresswoman Gabrielle Giffords (may she make a full and speedy recovery) is apparently a second cousin of Gwyneth Paltrow, and identifies as Jewish despite the fact that her mother, a practising Christian Scientist, is not.
For the allegation that she was deliberately targeted because she's Jewish, see:
http://israelmatzav.blogspot.com/2011/01/gabrielle-giffords-was-shot-bec...