[p. 24] The Intentions of Marriage between Mr. Dennis Skillen and Miss Peggy Harmon were Entered July 11th 1818. Abraham Milliken Jr. Town Clerk. [p. 14]August 30th [1818] Dennis Skillen & Peggy Harmon in Scarboro by N. Tilton.
↑Source:Vital Records of Scarborough, Maine, shows an additional marriage in 1838 between Dennis M. Skillen of Cape Elizabeth and Hannah Libby. Since Margaret did not die until 1851, all appearances are that Dennis "M." Skillings is a different person, though often confused in many Skillings sources.