Londonderry Sentinel, 21 Aug.1943: McGUINNESS. It is with sincere regret, which will be shared a wide circle of friends, that we announce the death of Mrs. D. Dunbar McGuinness, which took place on Thursday morning at her residence, 42, Garden City, Londonderry, after an illness of about six weeks’ …
Londonderry Sentinel, 9 Apr.1955: … Reading on Thursday, of Mrs. J. Cairns, well-known in the city as Miss Pearl McGuinness, a daughter of the late Mr. David Dunbar McGuinness and the late Mrs. McGuinness. . . The late Mrs. Cairns, like her father and mother, early earned a reputation for musical …
Londonderry Sentinel, 17 Jan.1956: … McGuiness, of Strabane, and Mrs. Harriet Montgomery, of Philadelphia. The brothers who predeceased him were Mr. David Dunbar McGuinness (who was also a leading personality in the musical life of the city for many years), and Mr. J. C. McGuinness, Toronto …
Derry City Cemetery-
Samuel Thomas McGuinness*, son of Samuel & Jane , 96 Bishop Street, died 11 Nov.1880 aged 5 months
Rebecca Margaret McGinnis*, dau. of Samuel & Jane, 73 Bishop Street, died 24 Ap.1882 age 11
Robert Jas Black McGinness*, 73 Bishop Street, died 22 Feb.1884 age 4 months
stillborn child of Samuel Joseph McGuinness of Strabane 27 Mar.1913
Samuel Gilliland McGuinness* (parents not listed), 20 Abercorn Road, died 6 Oct.1919
* In same plot is Agnes Beetham, age 72, born Westminster, Riverview Buncrana, died 3 Oct.1887, proprietor Thomas Beetham. The online databases numbers are likely incorrect as there are 2 Beetham burials with slightly different references-
Thomas Beetham, age 60, born England, Riverview Buncrana, died 9 Nov.1875
Anne Beetham, age 80, parents- Thomas and Anne Hays, born Preston Pans Scotland, residence- Middle Road, died 24 May 1868.
Hoping all this will eventually lead back to Jane Dunbar McGuinness.