Clemens is an active and practicing Roman Catholic, and is married with four children with a strong religious devotion to the Holy Family of Nazareth. In a February 2012 interview with the National Catholic Register, he noted that his patron saint is Jesus Christ and has special religious devotion to Our Lady of Mount Carmel. He also noted that he wears the Brown Scapular in connection to this religious faith. Furthermore, Clemens claimed, "You have to vote for the candidate who is most pro-life," and said he voted for Mitt Romney in 2012.