Athol is a historic slave manor and rectory located in Columbia (Simpsonville), Howard County, Maryland, U.S. Athol Manor was built as the neighboring rectory of the Christ Church Guilford, which was built on the site of a 1711 burned church which was rebuilt.

[1] Edmund Lord Bishop of London sent Viscount of Oxenford, James MacGill to administer a chapel of ease in Queen Caroline Parish in Anne Arundel County.

On 17 August 1732, King Charles granted 600 acres (240 ha) to James MacGill to form a new Church of England in the Maryland Colony.

[3] MacGill brought laborers from Scotland and local slaves to construct the granite building where he raised eleven children with his wife Sarah Hilleary.

A steep roof and door size windows were built to minimize taxes to Britain on certain features.