No Jews
No Caholics except for John F Kennedy and there was a big stink about that and his taking directions from the Vactican
Did people want a Mormon president...evidently no
http://www.jfklibrary.org/JFK/JFK-in-History/JFK-and-Religion.aspx
No restrictions in the Constitution as to religion, not even being required to believe in a god....it let's the voting public decide.