Reagan wasn't particularly religious. He rarely prayed or went to church, and he and his wife dabbled in astrology, which is a big no-no in evangelical congregations. In spite of all of this, the Religious Right believed he was a devout Christian, which for political purposes, is what matters.
Added to that the fact that his denomination of choice wasn't exactly of the Religious Right...
He was Presbyterian wasn't he? Do we know if he was a member of the Presbyterian Church USA (Mainline) or the Presbyterian Church in America (Evangelical)?
http://en.wikipedia.org/wiki/Bel_Air_Presbyterian_Church
Altho in 1980, Bel Air PC would likely have been part of the United Presbyterian Church in the United States of America. The PC(USA) was formed in 1983 by a merger of the UPCUSA and the PCUS (Presbyterian Church in the United States).
