The following chart shows the religious affiliation of the general population compared to congress.
The Supreme Court looks a bit different.
Catholic 5 (Alito, Roberts, Thomas, Kennedy, Scalia)
Protestant 2 (Stevens, Souter)
Jewish 2 (Breyer, Ginsburg)
Does an elected official’s religion matter? Much was made behind the scenes about Mitt Romney being a Mormon. Recently, a disgruntled office-seeker lambasted one of our supervisors for supporting a pro-choice candidate and congressman. Both the disgruntled office-seeker and the supervisor are Catholic. Why should it matter?