The late Sir Patrick McNair-Wilson's parents, Dr Robert McNAIR-WILSON (22 V 1882 - 29 XI 1963) and his second wife (married 1928), Doris May FISCHEL (3 X 1898 - 1993), were also the parents of Sir (Robert) Michael Conal McNAIR-WILSON (12 X 1930 - 28 III1993), MP (Conservative) for Walthamstow East, 1969-74, and for Newbury, 1974-92. Sir Michael's only child, Mrs Laura Rose FARRIS (born 13 VI 1978), was MP (Conservative) for Newbury, 2019-24.
Dr Robert McNair-Wilson was Medical Correspondent of The Times newspaper from 1914 to 1942. His first wife (married 7 XII 1905) was Winifred PAYNTER (21 IX 1878 - 27 VII 1945), a daughter of Henry Augustus PAYNTER (2 IV 1846 - 16 V 1919), of that landed gentry family, of Boskenna, Cornwall, and his wife, Henrietta Jekyll NEWMAN (14 VII 1849 - 10 XII 1914).