1850 U.S. Census, Lake Prairie Twp, Marion County, Iowa (Roll M432 187), p. 290A; Dwelling 150, Family 156.
Earp N.P. 37 [abt 1813] M North Carolina Cooper & Farmer
Earp Virginia A. 29 [abt 1821] F Kentucky
Earp Newton J. 13 [abt 1837] M Kentucky [attended school]
Earp James C. 7 [abt 1843] M Kentucky [attended school]
Earp Virgil W. 6 [abt 1844] M Kentucky [attended school]
Earp Martha E. 5 [abt 1845] F Illinois
Earp Wyatt B. 2 [abt 1848] M Illinois