Fact Check:  Unfortunately, *Snopes* is not a valid source for objective truth.  Please utilize an objective, non-partisan source.

Fact Check:  The Chaplain of the United States House of Representatives is one of the officers of the U.S. Congress, cited in the first half of Article 1, Section 2, Clause 5 of the United States Constitution as giving it the authority to elect a Chaplain, "The House of Representatives shall choose their speaker and other Officers."  In addition to opening proceedings with prayer, the Chaplain provides pastoral counseling, and coordinating scheduling of guest chaplains.  While Chapalins don't have to be, they have all of them been Christian since inception.

*https://archive.org/details/congressionalrec110bunit*

*Guest Chaplains*, recommended by congressional members to deliver the session's opening prayer in place of the House Chaplain, have represented many different religious groups, including Judaism and Islam.