Peg, Not sure if this family fits in with the Breckinridge and Grayson Co, KY Duggan/Duggans/Duggins. Maybe someone can help and add to this? The family you are researching was in Indiana, for the 1880 census.
Hope this helps, Crystal
1880 Orange Co, IN Warner RILEYSelfMMaleW25KYFarmerWVKY Emily J. RILEYWifeMFemaleW20KYKeeping HouseKYKY George W. RILEYSonSMaleW2KYKYKY Mary E. RILEYDauSFemaleW9MINKYKY
Mary A. DUGGINSMotherLWFemaleW43KYBoardingKYKY Sarah F. DUGGINSSisterLSFemaleW18KYDoes House WorkKYKY James W. DUGGINSBroLSMaleW13KYWorks On FarmKYKY Mary C. DUGGINSSisterLSFemaleW11KYKYKY Jessie N. DUGGINSBroLSMaleW6KYKYKY
Census Place Greenfield, Orange, Indiana Family History Library Film1254302 NA Film NumberT9-0302 Page Number110D =====