Ephraim was born in 1713. Ephraim Carter ... He died in 1793.
He lived on the paternal estate on George Hill, Lancaster, and had a tannery there.
American Genealogical-Biographical Index (AGBI) [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 1999. Original data: Godfrey Memorial Library. American Genealogical-Biographical Index. Middletown, CT, USA: Godfrey Memorial Library.
U.S., Find A Grave Index, 1600s-Current [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2012. Original data: Find A Grave. 
Massachusetts, Town and Vital Records, 1620-1988 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2011. Original data: Town and City Clerks of Massachusetts. Massachusetts Vital and Town Records. Provo, UT: Holbrook Research Institute (Jay and Delene Holbrook).
Carter, a genealogy of the descendants of Samuel and Thomas, sons of Rev. Samuel Carter : 1640-1886 : a contribution to the history of the first Carters of Lancaster, Lunenburg and Leominster, Massachusetts (1887) 2887
1228. Ephraim' Carter (18), (Samuel,' Rev. Samuel,' Rev. Thomas,^) m. ist, March 24, 1736, Mary Osgood, b. 1718, d. May 30, 1738 ; m. 2d, 1739, Abigail Wilder, dau. of James and Abigail (Gardner) Wilder of Lancaster.
It may be possible to confirm family relationships with Ephraim by comparing test results with other
carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Ephraim: