Located in the southwestern corner of Van Buren Township, the church sat at the intersection of Hoying and Wright-Puthoff Roads in the unincorporated community of St.

Although the region was settled primarily by German farmers, the members at St. Patrick were generally laborers who had been recruited to participate in the construction of the Miami and Erie Canal through western Shelby County.

Consequently, the parish arranged for the erection of its third and final church, a Flemish bond brick structure constructed in a transitional Italianate style of architecture.

[2][3]: 3  This building was based on a foundation of concrete and a gabled tile roof; the rectangular church featured a square bell tower on its southwestern corner.

The parish built the rectory in 1919 to house its pastor; before its construction, St. Patrick's was served by priests from St. Michael's Church in Fort Loramie to the southwest.