Wallingford's St. Casimir's is one of 150 Polish National Catholic Church parishes in the U.S. The church is named for St. Casimir, a Polish prince who was known during his lifetime for his piety and sense of justice.
As Father Kopka explains, 'Like the Roman Catholic and Orthodox churches, the National Catholic Church forms a branch on the tree of the true Church, which is rooted in Christ, sustained by Apostolic Tradition, watered by the Spirit and lighted by the Word of God.'