b. = born
bap. = baptised
c. = christened
c/m = marriage contract
d. = died
d. vita patris = died in the father's lifetime
dsp = (decessit sine prole) died without issue
m. = married
James MacNab, is said to have been the son of James MacNab, second son of Gilbert MacNab, son of Patrick MacNab of Acharn, second son of Alexander MacNab of Bovaine, although there is no apparent evidence by which to prove this. He was wadsetter of the lands of Kirkton of Strathfillan and m. Jean MacFarlane, (c/m 13 February 1703), whom, in contemplation of their marriage contract, he infeft in an annualrent of £60 Scots from those lands on 9 August 1712. He was father of,
- Archibald MacNab of Monochyle and Newton, (see below).
- Robert MacNab, bap. at Killin on 15 October 1728.
- Helen MacNab, bap. at Killin on 23 March 1717.
Archibald MacNab of Monochyle and Newton, succeeded his father in various wadsets he held in Balquidder and Strathfillan and designed “of Monochylemore,” he witnessed a charter dated 24 February 1744. He m. by 6 March 1756, to Katherine, daughter of John MacNab of Inschewin, (she was widow of John Stewart of Benmore who had been k. at the battle of Culloden in April 1746), and d. at Callander, on 13 September 1791 being father of,
John MacNab of Newton, succeeded his father and was served heir general to him on 23 June 1800. He was admitted a Writer to the Signet on 4 July 1783 and m. at London, on 18 April 1793, to Anne Stewart, (she survived him and d. at Richmond, Surrey, on 1 November 1852). He d. at Edinburgh, on 4 August 1801 and was father of,
- Archibald MacNab, b. at Edinburgh on 11 June 1794 and d. at Walworth, on 3 June 1802.
- Ann MacNab, b. at Edinburgh on 1 October 1795 and was served heir to her father on 27 January 1803. She m. on 26 June 1822, to Rev. Harvey James Sperling, and d. at Lattenbury Hill, Hants, on 27 December 1846.
- Charlotte Jane MacNab, m. at Papworth, in December 1830, to Charles Alexander Stewart, third son of Duncan Stewart of Glenbuckie.
 Scots Magazine, 1st September 1791 edition.
 Services of Heirs.
 London Evening Standard, 5th November 1852 edition.
 Scots Magazine, 1st August 1801 edition.
 Scots Magazine, 1st June 1802 edition.
 Services of Heirs.
 London Evening Standard, 31st December 1846 edition.
 OPR – Papworth. See also: Huntingdon Gazette, 18th December 1830 edition.