In 1791, Fort Hamilton was built. Once the tumult of early settlement life calmed a bit, the settlers began to organize churches. The first church in Hamilton was the predecessor of the former Front Street Church, organized in 1810. In 1816, the predecessor of the former First United Church was organized as an Associated Reformed Church.
For a time, the sister churches met in the same building. In 1958 their parent denominations united and became the United Presbyterian Church in the USA. In 1983 the UPUSA Church reunited with the Presbyterian Church in the United States. This union brought an end to the schism that occurred over the issue of slavery during the Civil War times. At about the same time, the downtown Hamilton Presbyterian churches started steps toward the uniting of the two congregations. On January 1, 1984 the new congregation was officially formed.
The Presbyterian Church of Hamilton is both a pioneer church of the city and one of its youngest congregations!