Grace Church (Grace Protestant Episcopal Church) - View this location on map Small Gothic Revival church housing the parish founded by Saint John s Church in 1855 as a missionary church for canal boatmen and workers; purchase of site and construction funded by D.C. governor Henry Cooke; similar to Oak Hill Chapel, constructed of Potomac blue gneiss with gable roof topped by bell-cotes; simple interior with exposed truss ceiling, carved woodwork; built 1866-67; rectory built 1895, parish hall built 1898 1041 Wisconsin Avenue, NW, Washington , DC Historical

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