I too am related to (a) RUPP family in Baltimore. Below is a copy of the 1880 U.S. CENSUS. The youngest daughter listed of CHARLES & WILHELMINA RUPP, EMMA L. RUPP (1860-95) is my great great grandmother. She was married to WILLIAM L. WISE of Baltimore, MD.
Charles RUPPSelfMMaleW63BADENDealer In HorsesBADENBADEN Wilhelmina RUPPWifeMFemaleW58BADENKeeping HouseBADENBADEN William RUPPSonSMaleW32MDClerk In StoreBADENBADEN Fredrick RUPPSonSMaleW22MDClerk In StoreBADENBADEN Edward RUPPSonSMaleW18MDClerk In StoreBADENBADEN Carrie RUPPDauSFemaleW28MDBADENBADEN Jennie RUPPDauSFemaleW26MDBADENBADEN Emma RUPPDauSFemaleW19MDBADENBADEN