President of the United States of America/religious affiliations

1. George Washington – Washington was known to his friends as one who rejected Christianity; his membership in a church was merely formal. Historian Barry Schwartz writes that Washington's "practice of Christianity was limited and superficial, because he was not himself a Christian. In the enlightened tradition of his day, he was a devout Deist--just as many of the clergymen who knew him suspected" (George Washington: The Making of An American Symbol, p.175)
2. John Adams – Unitarian
3. Thomas Jefferson – Deist
4. James Madison – Episcopalian
5. James Monroe – Episcopalian
6. John Quincy Adams – Unitarian
7. Andrew Jackson – Presbyterian
8. Martin Van Buren – Dutch Reformed
9. William Henry Harrison – Episcopalian
10. John Tyler – Episcopalian; Deist
11. James Knox Polk – Presbyterian
12. Zachary Taylor – Episcopalian
13. Millard Fillmore – Unitarian
14. Franklin Pierce – Episcopalian
15. James Buchanan – Presbyterian
16. Abraham Lincoln – none (but evidence implies he became a Christian; see Tbc/Abraham Lincoln)
17. Andrew Johnson – none
18. Ulysses S. Grant – Methodist
19. Rutherford B. Hayes – none
20. James Garfield – Disciples of Christ
21. Chester A. Arthur – Episcopalian
22. Grover Cleveland – Presbyterian
23. Benjamin Harrison – Presbyterian
24. Grover Cleveland – Presbyterian
25. William McKinley – Methodist
26. Theodore Roosevelt – Dutch Reformed
27. William Howard Taft – Unitarian
28. Woodrow Wilson – Presbyterian
29. Warren G. Harding – Baptist
30. Calvin Coolidge – Congregationalist
31. Herbert Hoover – Quaker
32. Franklin Delano Roosevelt – Episcopalian
33. Harry S. Truman – Baptist
34. Dwight D. Eisenhower – Presbyterian
35. John F. Kennedy – Roman Catholic
36. Lyndon Johnson – Disciples of Christ
37. Richard Nixon – raised as a Quaker
38. Gerald R. Ford – Episcopalian
39. Jimmy Carter – Baptist
40. Ronald Reagan – Disciples of Christ
41. George Bush – Episcopalian
42. Bill Clinton – Methodist
43. George W. Bush – Methodist

The Unitarian Church is the religious body extant today that had an ideology most closely resembling those who held by Deism.

Link: [John Adams was a Deist]

Link: [Thomas Jefferson was a Deist]

Link: [Abraham Lincoln was a Deist]