!US Census: 1850 Maryland; Mongomery Co., 29 Juy 1850; Page 357 Dwelling 152;
Agnes Anderson CLARK age 58 born in MD listed in the same dwelling as Charles H. CLARK, Oliver P. CLARK + Frances E. CLARK (w) + Agnes CLARK (daughter age 2/12), Wm. GLOVER, Henrietta GLOVER + Wm. T. O. GLOVER (son age 3) + Charles L. GLOVER (son age 2).
!Registry of Maryland's Heraldic Families with Index Vol. 1 series 2: pgs 121/122 975.2 D2pa
Miss Rose A. CLARK, 909 Sligo Ave., Silver Spring, Maryland, Montgomery Co. lists children of Oliver Hazard Perry CLARK as: Emma Virginia CLARK who married E. Pinkney MARLOW--- Mary Catherine CLARK who married James Benedict Fenwic---Rose A. CLARK---Clara Mahala CLARK---L. Bouic CLARK married Ellen Lee WELLMORE---Frances J. CLARK who married James Herbert CISSEL---Hanson CLARK (service Spanish American War)---Edward Berry CLARK married Mary Mathilde HAMILTON.