St. Mary Parish in Charlotte, Michigan

North: Intersection of western and northern boundaries of Eaton County; the northern boundary of Eaton County east to Mulliken Road; Mulliken Road south to the southern boundary of Roxand Township; the southern boundary of Roxand Township east becoming the southern boundary of Oneida Township becoming the southern boundary of Delta Township to Nixon Road.

East: Nixon Road south to I 69; I 69 west to the eastern boundary of Benton Township; the eastern boundary of Benton Township south becoming the eastern boundary of Eaton and Brookfield Townships to the Eaton County southern boundary.

South: The southern boundary of Eaton County west to Oxby Road.

West: Oxby Road north and extended to Stine Road; Stine Road north to the northern boundary of Walton Township; the northern boundary of Walton Township west becoming the northern boundary of Bellevue Township west to the western boundary of Eaton County; the western boundary of Eaton County north to the northern boundary of Eaton County to the point of 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.