A notebook, [1931x1942], of Bob Owen, Croesor, containing transcripts from the parish registers of Llandecwyn, Merionethshire, 1674-1931 (ff. 1-12, 19-20 verso, 29-33 verso), and Llanfihangel-y-Traethau, Merionethshire, 1684-1836 (ff. 12 verso-18 verso, 34-40).
Also included are further miscellaneous genealogical memoranda (ff. 23-26, 28 verso and inside front cover), family trees (ff. 21, 34) and a note, in Welsh, on wells (inside back cover, inverted text).