Acworth Town Records FHL film #15,053
page 346-Marriages
Dec ___ 1797 Samuel Houston and Phoebe Mayo

History of Acworth, Edited by J.L. Merrill, Town Historian. Published by the Town, 1869.
page 229-Genealogies
II[child of Alexander Houston] Samuel, m. Phebe Mayo (see Mayo Family)-- ch. 1, Isaac, m. Theodosia Keyes (see Keyes family) residence Utah- ch,(1) Jane, m Samuel Alexander (see Alexander family), (2) Louisa, (3) Sisson C., (4) Emeline, (5) Mindwell; 2, Nancy, d. unm.; 3. Phebe, m. Alvah Alexander (see Alexander family) 4. Deborah, m. J. Lewis Alexander (see Alexander family); 5. Alexander m. Betsey Parks (see Parks family), residence Iowa- ch. (1) Adaline, (2) Watson W. , (3) Daniel M.; 6 Maria m. Warren Sawyer, residence Starksboro, Vt.--ch. (1) Elijah L. (2) Sarah (3) Maria (4) Emeline; 7. Emeline m. William Johnson (see Johnson family).

Nancy Houston
The archive family group sheet for Richard Preston indicates that James Whitmore Preston's brother, Richard Diamond Preston is married to Nancy Houston. James W. Preston sealed his brother to his father-in-law's sister, Nancy Houston who died in 1836 at the age of 35, unmarried.