The United Free Church of Scotland (UF Church; Scottish Gaelic: An Eaglais Shaor Aonaichte, Scots: The Unitit Free Kirk o Scotland) is a Scottish Presbyterian denomination formed in 1900 by the union of the United Presbyterian Church of Scotland (or UP) and the majority of the 19th-century Free Church of Scotland. The majority of the United Free Church of Scotland united with the Church of Scotland in 1929.