Overview
Margaret Lyon (died 1625) was a Scottish aristocrat and landowner.
She was the daughter of John Lyon, 7th Lord Glamis and Janet Keith, daughter of Robert Keith, Master of Marischal, and sister of William Keith, 4th Earl Marischal.
Families
She married Gilbert Kennedy, 4th Earl of Cassilis (d. 1576), and became the "Countess of Cassilis". Their children included:
John Kennedy, 5th Earl of Cassilis (1575–1615)
Hew Kennedy, Master of Cassilis (1576/77-1607)
In 1578 she married John, Lord Hamilton, Commendator of Arbroath (d. 1604). Their marriage contract was made at Maybole Castle on 30 December 1577. He was made Marquess of Hamilton in 1599.
From Wikipedia (CC BY-SA 4.0).