This is from my MW files!Here is your Amy McMillan Warrick.There is another census with Ephraim.AND one where Ephraim goes to live with his grandfather.The McMillans and Blackfords and Warricks all live near each other in the 1800's.I also have a Walcott/Wolcot in my ancestry-not a direct line-one of the marriages.Want me to send more?
Joseph Blackford found in: Census Microfilm Records: Ohio, 1820 State: Ohio County: COLUMBIANA Locale: FAIRFIELD Series: M33 Roll: 91 Part: 1 Page: 67
PA Beaver South Beaver Township 1850 750 130
103/103 Joseph 55/m farmer all b. pa Mildred 54/f Rachel 17/f William 15/m farmer Nancy J. 12/f Tacey M. 8/f
110/110 David Warrick 56/m farmer $300 all b. Pa Amy 63/f Prudence 24/f James P. 18/m farmer