The Isabella married to Richard Dickson may be the wrong one
Belfast Newsletter, 19 Feb.1940: NEILL- February 18, 1940, at the residence of her sister, Mrs. D. Flinn, Ballymorran, Killinchy, Isabella, eldest daughter of the late Samuel and Susanna Neill. Funeral from above address to-morrow (Tuesday), at 2 p.m., to illinchy Old Meeting-House Green. Deeply regretted.
Added- death certificate gives her as age 74 so born c1866May tie in to this David Flinn-
Flinn David of Ballymorran Killinchy county Down retired farmer died 12 August 1955 at Ards Hospital Newtownards county Down Administration Belfast 11 October to Thomas D. Flinn farmer. Effects £2012 13s. 2d.
Added- death certificate gives his age as 71 (born c1884)and is this Isabella's sister Mrs. D. Flinn?
Flynn Ellen Jane of Ballymorran county Down married woman died 17 August 1946 Probate Belfast 21 February to James Cleland and George Robert Neill farmers. Effects £788.
Added- death certificate gives age as 65 so c1881- if this is the correct Ellen then did she knock a few years off her age as her husband was a bit younger?Northern Whig, 18 Aug.1932: NEILL- July 16, at his residence, Reedly, California, Hugh, seventh son of the late Samuel and Susanna Neill, Killinchy, Co. Down.
Added- David Flinn married 29 Dec.1919 Ellen Neill- one of the witnesses was a George R. Neill-https://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1919/09693/5515576.pdf