St. Mary Parish in Flint, Michigan

North: Intersection of the Flint River and Dort Highway (M 54).

East: Dort Highway (M 54) southeast to Robert T. Longway Boulevard.

South: Robert T. Longway Boulevard west to the Flint River.

West: The Flint River northeast to Dort Highway (M 54) to the point of the beginning.

All Latin Rite Catholics living within the above described territory are considered members of St. Mary Parish, and as such, are subject to the spiritual jurisdiction of the Reverend Pastor of that Parish.