Up until 1871 Harthill and Eastfield had no church building. Church Presbytery records from Linlithgow record attempts being made to build a church in Harthill. Harthill links with Whitburn Free Church were strong and records from this church record the new church being opened 'Thursday first'. Services had been however previously been held in the school buildings of the Harthill School and the Benhar Works School. Indeed, one of the conditions laid down by Sir William Baillie for providing funds for its construction was that the school should be made available for Sunday Church services. Harthill and Eastfield lay within the parish of Kirk o'Shotts. Until the Scottish Protestant Reformation in 1560 the Kirk o'Shotts location was a Catholic place of worship. St. Catherine's Chapel was built in 1450. It was dedicated to "the blessed Virgin and Catherine of Sienna". Little evidence of the original church remains. After the Reformation, the church became 'Shotts Kirk'. The present building was opened on 26 October 1821 and cost nearly £3,000. The spire of this Church was struck by lightning and completely destroyed on 23 July 1876. There is still evidence of the original cemetery watch-house walls which was a building used for families of the deceased to 'watch' over their graves for body snatchers intent on stealing bodies to sell to the medical communities in Edinburgh and Glasgow for dissection (see the Burke and Hare murders, for this old phenomenon).