Son of Jonathan Davis and Hannah Preston. (See first source listed below).
Husband of Priscilla Davis (Hatch) and Joanna Davis (NN)
Samuel Davis, in the Massachusetts, Town and Vital Records, 1620-1988 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2011. (Birth Record, lists his parents as Jonathan Davis & Hannah [Preston] Davis).
Samuel Davis, in the U.S., Sons of the American Revolution Membership Applications, 1889-1970 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2011. (Cites Priscilla Davis as his spouse and their son Samuel [C. ?] Davis, m. Laura Finch.)