John: I can now confirm the other two marriages for Elizabeth Eastridge-Caldwell-Sinnett. More bits & pieces.

She married Thomas Paxton, age 70 - 1 Dec 1883 in Roane Co., she was listed as age 64 at that time.
Then 13 Sept 1892 she, at age 67, married Carr B. Brown.
and She and Car B. Brown are listed in the 1900 census of Roane Co. Fam.#110-110 Walton Dist.
By 1910 she is listed age 88, at the Roane County Infirmary in Curtis Dist. Listed as Elizabeth Brown, age 88, married 4 times, 2 of her 7 children living.
Elizabeth Brown died 8 Sept 1912 at Peniel in Roane Co., listed as age 91. H.H. Robey, Undertaker, informant.