Some Americans question President Biden's Catholic faith Many Republicans say Biden's views about abortion should disqualify him from receiving Communion Trending US President Joe Biden leaves St. Joseph on the Brandywine Catholic Church in Wilmington, Delaware, on March 27. (Photo: AFP) That President Joe Biden is the second Catholic US president is less in dispute among Americans than the practice of his faith, according to a poll released March 30 by the Pew Research Center. Fifty-eight percent of Americans identified Biden as Catholic in the poll, with 63% of Democrats and Americans who lean Democratic, and 55% of Republicans and those who lean Republican, saying as much. Only 6% thought Biden is Protestant, and 31% replied they weren't sure.