Presidents: What Religion? Most Common Faiths?

What are the two most common faiths of American presidents?

Eleven were Episcopalian.  Those presidents included  George Washington, James Madison,  James Monroe.  William Henry Harrison,  John Tyler,  Zachary Taylor,  Franklin Pierce,  Chester A. Arthur,  Franklin D. Roosevelt,  Gerald Ford, and  George H. W. Bush.

 The second most common faith,  according to this story in the Dseseret News, was Presbyterianism.  Eight presidents were Presbyterian and include: Ronald Reagan, Andrew Jackson,  James Polk ,  James Buchanan,  Grover Cleveland,  Benjamin Harrison,  Woodrow Wilson,   and Dwight D. Eisenhower.

Two presidents were members of the Disciples of Christ? They  were Lyndon Johnson and James Garfield.

One president was a Congregationalist, Calvin Coolidge.