Seeking information on the family of John O'Donnell who was born in Ireland about 1810 and settled in Campbell County. His wife Martha (b. abt. 1825) and children John R. (b. abt. 1840), James W. (b. abt. 1845), C.A. (b. abt. 1847), David A. (b. abt. 1849), and Mary S. (b. abt. 1855) were all born in the US, perhaps in Campbell County. Son David, his wife Susan, and their son John are listed in the 1870 census.