He was the son of Stephen Hislop (died 1837), a mason by occupation and an elder of the Relief Church.
Alexander's brother was also named Stephen Hislop and became well known in his time as a missionary to India and a naturalist.
[citation needed] Hislop attempted to show that the cult and worship of Semiramis spread globally, her name changing with the culture.
In Egypt she was Isis, in Greece and Rome she was called Venus, Diana, Athena, and a host of other names, but was always prayed to and central to the faith which was based on Babylonian mystery religion.
[citation needed] Constantine's endorsement of the tradition was a turning point for Early Christianity.