Former secretary of state, senator and First Lady Hillary Clinton grew up in the United Methodist Church and claims to pray and study the Bible frequently, citing her youth minister as a mentor responsible for shaping her early political development. Pictured: Clinton makes remarks, highlighted by gun violence, during a campaign stop, January 12, 2016, in Ames, Iowa. Photo by Mike Theiler/UPI | License Photo
Bernie Sanders: Jewish
Vermont Senator Bernie Sanders grew up within a Jewish family, and while he has said he is proud to be Jewish, he is not "particularly religious" or involved in organized religion. After college, Sanders spent time on a kibbutz (community) in Israel. His father's family emigrated from Poland, where many of his relatives were killed in the Holocaust.
Pictured: Sanders makes remarks during the Iowa Brown & Black Forum, January 11, 2016 at Drake University in Des Moines, Iowa. Photo by Mike Theiler/UPI | License Photo
Martin O'Malley: Catholic
Former governor of Maryland, Martin O'Malley, was brought up Catholic, attending a Catholic elementary school, a Jesuit high school, and studying at the Catholic University of American in Washington, D.C. Though he holds some views contrary to the Catholic Church, he has said that his religious education was fundamental in forming his passion for politics, and continues to send his children to Catholic schools.
Pictured: O'Malley makes remarks during the Iowa Brown & Black Forum, January 11, 2016, at Drake University in Des Moines, Iowa. Photo by Mike Theiler/UPI | License Photo
Jeb Bush: Catholic
While former Florida Governor Jeb Bush was brought up within the Episcopal Church, he converted to Catholicism after marrying his wife, Columba. In 2004, Bush became a Fourth Degree Knight of Columbus, a Catholic fraternal service organization.
Pictured: Bush speaks during the Republican Jewish Coalition Presidential Candidates Forum at the Ronald Reagan Building in Washington DC, December 3, 2015. Photo by Molly Riley/UPI | License Photo
Ben Carson: Seventh-Day Adventist
Retired neurosurgeon Dr. Ben Carson is a member of the Seventh-day Adventist Church and has been baptized twice. He has served as a local elder and Sabbath school teacher within the church and frequently refers to his relationship with God through the Church.
Pictured: Carson points to a questioner during a town hall event at Veterans Auditorium, January 5, 2016, in Panora, Iowa. Photo by Mike Theiler/UPI | License Photo
Chris Christie: Catholic
New Jersey Governor Chris Christie was raised in the Catholic Church, went to a Catholic University, Seton Hall, and sends his children to Catholic schools. Christie attends mass with his family at St. Joseph's in Mendham, New Jersey, where his wife taught Sunday school for a number of years. Pictured: Christie speaks during the Republican Jewish Coalition Presidential Candidates Forum at the Ronald Reagan Building in Washington DC, December 3, 2015. Photo by Molly Riley/UPI | License Photo
Ted Cruz: Southern Baptist
Texas Senator Ted Cruz is a committed Southern Baptist and was valedictorian of Houston's Second Baptist High School in 1988. While he is an active member with the church, he frequently notes the importance of personal relationships within organized religion. Pictured: Cruz makes remarks to supporters as he campaigns at the King's Christian Bookshop, January 4, 2016, in Boone, Iowa. Photo by Mike Theiler/UPI | License Photo
Carly Fiorina: Nondenominational Christian
While businesswoman Carly Fiorina was brought up in the Episcopal Church, she is not a regular churchgoer or a member of a church. She does note that her own faith helped her through personal difficulties, especially with her battle with breast cancer in 2009.
Pictured: Fiorina speaks during the Republican Jewish Coalition Presidential Candidates Forum at the Ronald Reagan Building in Washington DC, December 3, 2015. Photo by Molly Riley/UPI | License Photo
Mike Huckabee: Southern Baptist
Republican candidate Mike Huckabee is an ordained Southern Baptist minister and gave his first sermon as a teenager. Huckabee attended Ouachita Baptist University and Southwestern Baptist Theological Seminary and worked as a pastor in Arkansas for 12 years, which he believes was good preparation for his political career.
Pictured: Huckabee speaks at a press conference in the Waldorf Astoria Hotel in Jerusalem, Israel, August 19, 2015. Photo by Debbie Hill/UPI | License Photo
John Kasich: Anglican
Ohio Governor John Kasich was raised Roman Catholic and once considered becoming a priest, but drifted from his faith as an adult. Although he considers dominations to be irrelevant, he converted to Anglicanism after both his parents died in a car crash. Kasich and his wife now worship at St. Augustine's Anglican Church in Westerville, Ohio.
Pictured: Kasich speaks at the Council on Foreign Relations in New York City on December 9, 2015. Photo by Dennis Van Tine/UPI | License Photo
Rand Paul: Presbyterian
Another Kentucky Senator Rand Paul was baptized into the Episcopal Church and was a practicing Christian as a teenager, he now attends a Presbyterian Church, where his wife is a deacon.
Pictured: Paul delivers remarks as he announces his presidential candidacy April 7, 2015 in Louisville, Kentucky. Photo by Jamie Rhodes/UPI | License Photo
Marco Rubio: Catholic
Florida Senator Marco Rubio was born into a Catholic family. While he attended a Mormon church for a few years, and was baptized into the Mormon faith, he returned to the Catholic Church in 1984. Although his wife and children began attending a Southern Baptist church in the early 2000s, Rubio attends both Southern Baptist and Catholic services and says he theologically aligns with the Catholic Church.
Pictured: Rubio makes remarks during a town hall event at the Decker Truck Line, Inc., January 5, 2016, in Fort Dodge, Iowa. Photo by Mike Theiler/UPI | License Photo
Rick Santorum: Catholic
Former Senator Rick Santorum was raised in a nominally Catholic house, but he became more devout after meeting his future wife. He now considered himself a devout Catholic and cites his faith as the main source of his politics. Santorum attends daily Mass and organized a Catholic study group for fellow lawmakers while in Congress.
Pictured: Santorum participates in the fourth Republican debate at the Milwaukee Theater in Milwaukee, Wisconsin on November 10, 2015. Photo by Brian Kersey/UPI | License Photo
Donald Trump: Presbyterian
Presidential candidate Donald Trump is a Presbyterian. While he told a campaign audience he had joined the Marble Collegiate Church, where he married his first wife, the Church claimed he was not an active member. Trump has nevertheless maintained relationships with several prominent religious leaders, both Christian and evangelical, and has received a blessing from notable Greek Orthodox priest, Emmanuel Lemelson.
Pictured: Trump speaks to the media following the Republican presidential debate in North Charleston, South Carolina on January 14, 2016. Photo by Kevin Dietsch/UPI | License Photo