He is married to Lovisa Gilbert.
They got married in the year 1781, he was 51 years old.Source 1
Rev. Harvey M. Lawson, Ph.B., B.D., "History and Genealogy of the Descendants of Clement Corbin of Muddy River (Brookline) Mass. and Woodstock, Conn.", 1905, p.30, 9iii. BENAJAMIN MARCY, b. Sept. 23, 1729; m. at the age of 52 Lovisa Gilbert of ae of 21; d. Feb. 21, 1803.