Here are our American Atheists that serve in the U.S. House of Representatives. Odds are we won't know about the U.S. Senate, for a fact, because the Senior American Atheist in the U.S. Senate won't allow it to come forward for a vote. Yet I'm sure you'll be able to figure it all out just by looking at the over-all voting records of the various Senators.
Lawmakers voting against “In God We Trust” include:
Rep. Jerrold Nadler (D-NY),
Rep. Gary Ackerman (D-NY),
Rep. Justin Amash (R-Mich),
Rep. Judy Chu (D-CA),
Rep. Emanuel Cleaver (D-MO),
Rep. Mike Honda (D-CA),
Rep. Hank Johnson (D-GA),
Rep. Bobby Scott (D-VA), and
Rep. Pete Stark (D-CA).
Voting present, the "Chicken Shits" were:
Rep. Keith Ellison (D-MN), and
Rep. Melvin Watt (D-NC).