[2] The roots of the Diocese of Fond du Lac are in 1822 when the Oneida Indians, removing from New York state, settled ten miles from Green Bay around Duck Creek.

The first non-Roman Catholic church building erected in the Northwest Territory and what would become Wisconsin was built by the Oneidas.

The history of the Episcopal Church in this area for the next fifty years was filled with many missionary endeavors establishing parishes and missions.

After a tremendous growth and laying the foundation of the newly erected Diocese, its second bishop, Charles Chapman Grafton, one of the leaders of the Oxford Movement and its third, Reginald Heber Weller, continued to build on the successes of those who came before them.

Through it all, there have been people of faith in the Anglican and Episcopal tradition who have worshipped God through the liturgies of the Church tracing their roots to the first Apostles and primarily Anglo-Catholic in nature.

In 2021 it was announced that the diocese of Fond du Lac, Eau Claire, and Milwaukee would contemplate entering an agreement of greater collaboration.

The Cathedral Church of St. Paul the Apostle, having been chosen by the first Bishop of Fond du Lac, John Henry Hobart Brown, and confirmed by Article in the diocesan constitution.

There are outstanding examples of late Victorian ecclesiastical art including woodcarvings from the workshop of Balthasar Schmitt, a German artisan who emigrated to the US for the job, the Fond du Lac Church Furnishings Company, and the Svoboda Church Furniture Company of Kewaunee, Wisconsin.