Her daughter, Mary Olivia MARDEN, aged 2, was living with her grandfather, Joseph Marden, in 1880. [Source 36].
Source 36: New Hampshire Bride's Index lists her married to Henry RAND on 27 June 1894. She was born in Newington, he was born in Rye. Distinctly lists her as daughter of John I. & Elizabeth R. (MASON) TREFETHEN of Rye.
NOTE: she's often confused with Mary O. Salter TREFETHEN0356. Source #36 (New Hampshire Bride's Index) indicated Mary O., daughter of Joseph P. Trefethen of Rye, married Henry B. RAND.
47. Rye New Hampshire Marreage Records (1726 - 1899), Compiler: L. H. Tallman, 1978 (Unpublished)
82. Odiorne Family, Geneology of the, Original complied by James Creighton Odiorne, 1875; revised 1966 by David Walter Odiorne Arbortown Book Co., Ann Arbor, MI 1967