On 15 Oct 1726 Patrick Mcdouall Crichton 6th Earl Dumfries was born.
On 27 Jul 1768 William Dalrymple Crichton 5th Earl Dumfries 4th Earl of Stair (age 69) died. Patrick Mcdouall Crichton 6th Earl Dumfries (age 41) succeeded 6th Earl Dumfries. His half first cousin (age 48) succeeded 4th Earl of Stair.
On 25 Nov 1772 [his daughter] Elizabeth Penelope Mcdouall Crichton was born to Patrick Mcdouall Crichton 6th Earl Dumfries (age 46).
On 12 Oct 1792 [his son-in-law] John Stuart (age 25) and [his daughter] Elizabeth Penelope Mcdouall Crichton (age 19) were married. She the daughter of (age 65). He the son of John Stuart 1st Marquis of the Isle of Bute (age 48) and Charlotte Jane Windsor Marchioness Bute (age 46).
On 25 Jul 1797 [his daughter] Elizabeth Penelope Mcdouall Crichton (age 24) died.
On 07 Apr 1803 Patrick Mcdouall Crichton 6th Earl Dumfries (age 76) died.