Sir Robert Blackwood, 1st Baronet

Sir Robert Blackwood, 1st Baronet (November 5, 1694 – 1774), of Ballyleidy, County Down, was created a Baronet of Ireland on July 1, 1763. He was married firstly in 1721 to Joyce Leeson, sister of Joseph Leeson, 1st Earl of Milltown, and had issue:

• Sir John Blackwood, 2nd Baronet
• Leeson Blackwood, who died unmarried in 1773
• Margaret Blackwood, who married Stewart Banks

He married secondly in 1729 Grace Macartney, only daughter of Isaac Macartney, by Grace, his wife and the sister and heir of John Aldridge, MP for Killyleagh, and niece of Lieutenant General George Macartney, and had issue:

• William Blackwood, who married Susannah, daughter of Thomas Bateman Lane
• Grace Blackwood, who died unmarried in 1824
• Dorcas Blackwood, who died unmarried at the age of 93 in 1833
• Sarah Blackwood
• Ursula Harriot Blackwood, who married Arthur Johnston, of Redemon, County Down, MP for Killyleagh, in 1767