Remarks:
 He was the Laird of the "Holm" & Brockloch. 
  
 John, succeeded to Holm and Brockloch. On 8th 
 November 1781 he married Margaret Kerr and had issue :— 
 David died young. 
 Anthony died young. 
 John died young. 
 Robert succeeded to Holm. 
 John succeeded to Brockloch. 
 William died young. 
 Jean married her kinsman, David McMillan of Dalshangan. 
 Marion married William Barber. 
 Margaret married Thomas Hastings from Huddersfield. 
 Elizabeth married Alexander Kennedy in Garneyburn, 
 Ayrshire. 
 Janet married a Mr. R. Dunlop. 
  
 John died on 1st December 1830. In 1799, when he was in 
 Possession, the lands were Nether Holm of Dalquhairn, one- 
 Fourth Moorbrock, and a third of Brockloch. 
  
 In 1790, John Mcllwraith was in possession of two-thirds 
 of Brockloch, and John MacMillan of Holm one-third. In 1819, 
 the land was still owned in the same way. 
 Source: Clan Macmillan by Somerled MacMillan 
  
 Gravestone Inscription at Carsphairn: 
  JOHN M'MILLAN ESQUIRE 
  Of Holm to the Memory of 
  MARGARET KERR 
  his spouse who died 3rd of June 
  1803 aged 45 years. Also David 
  and Anthony McMillan 
  their children aged 18 years each and 
  Janet, Joan and William  
  who all died young. 
  JOHN MACMILLAN 
  of Holm died at 
  BROCKLOCH 
  1st December 1830 in the 87th 
  year of his age. 
  
  
  
 In his will, he gave £500 pounds to daughter Elizabeth MacMillan the spouse of Alexander Kennedy, and £500 to natural son Alexander MacMillan on account of his long and faithful service. Gave £400 pounds to daughter Marion MacMillan spouse of William Barber in form of 4% annual interest payments to be administered by Robert MacMillan. 
  
 Jean, Margaret and Janet MacMillan each already had received £100. 
  
 His eldest son Robert Macmillan and second son John Macmillan were to receive a half share each of the Black cattle, horses, and sheep upon the lands at Brockloch (which previously had been granted wholly to John Macmillan). 
  
  Robert Macmillan his eldest son also received a gold watch and silver plate and six best chairs, as well as the main part of the estate. 
  
 Inventory: 
 Inventory of the personal estate of John McMillan of 
  Holm who died at Brockloch in the Parish of Carsphairn 
  and Commisariot of Kircudbright on the  
  1st day of December 1830 
 1. Cash in House - £10 
 2. There was owing to deceased by Robert  
  McMillan now of Holm his eldest son, being 
  balance due at Martinmas 1830 0f the 
  half years rent of Nether and Upper Holm 
  of Dalquhairn and one fourth of Muirbrock - £80 
 3. There was owing to the deceased by David McMillan 
  of Viewfield his son in law a balance of £822.17.6 
  Interest thereon at 5 percent            £185.3.11 
  Which the debtor being insolvent is worth no 
  more than the amount of a legacy or provision 
  left by the deceased to his daughter 
  Jean McMillan wife of the deceased's Disposition 
  & Settlement in favour of his son Robert 
  McMillan, dated 6th December 1816 which legacy 
  a provision is - £300 
 4. The deceased's stock & crop valued by William 
  Gibson in Muir and James Mitchell in Garryhorn 
  conform to Inventory and appraisment 26 March 1831 - £443.19.6 
 5. The deceased Household furniture including 
  silver plate bed and table linen and body 
  clothes valued by William McCandlish 
  joiner in Newgalloway conform to Inventory and 
  appraisement 2 March 1831.      - £131.5.7 
 Value of Deceased's personal estate - £965.5.1 
  
 Source: 
 Will of John Macmillan (kindly provided by Andrew McAdam via email who is a descendant of Elizabeth MacMillan and Alexander Kennedy).