The book is out of print, remaining stock is being sold by the author's daughter Ann C. Skutt 8249 38th Ave, NE Seattle, WA 98115-4911 Price $ 39.50 post paid (might have changed)
tracing the maternal side the book I don't think will help.1990 edition & 1980 edition both state same info on his wife, "He m. SUSANNA BLACK, d. Newport NS." 1990 ed. pg 233. sources cited References: Halifax NS Archives.
Note: dropped the H (Susanna) on the name.
another reference as to the marriage Chronological History of the Mosher Family. From the Seventeeth Century to the Present date. Compiled by William Mosher, Mosherville, Hants Co. Windsor,N.S. Printed by J.J. Anslow, at the "Hants Journal" Office 1891. Pg 17
James Mosher, of Barzillai, married Susannah Black, and had the following children : — Alexander, Barzillai, Philip, John, Sarah, Margaret, Mary Ann, and Amy.
Would check records in Hants County, Novia Scotia, like census..