List of Famous people with last name Cassilis

Archibald Kennedy IV, Earl of Cassilis was the eldest son of Archibald Kennedy, 1st Marquess of Ailsa. He was styled Lord Kennedy until 1831, and Earl of Cassilis thereafter until his death.

John Kennedy, 6th Earl of Cassilis, PC was a Scottish peer, the grandson of Gilbert Kennedy, 4th Earl of Cassilis, and nephew of John Kennedy, 5th Earl of Cassilis. He succeeded to the titles of 8th Lord Kennedy and 6th Earl of Cassilis on 25 July 1616. He was a non-sitting member of Cromwell's House of Lords, and was invested as a Privy Counsellor of Scotland on 13 February 1660/61. He held the office of Justice-general 1649-1651 and of an Extraordinary Lord of Session for Scotland June 1661-July 1662.

John Kennedy, 7th Earl of Cassilis, PC was a Scottish peer, the son of John Kennedy, 6th Earl of Cassilis.

Gilbert Kennedy, 3rd Earl of Cassilis was Scottish landowner, soldier, politician, and judge. He served as Treasurer of Scotland.

Gilbert Kennedy, 2nd Earl of Cassillis was a Scottish nobleman, the son of David Kennedy, 1st Earl of Cassilis and Agnes, daughter of William Borthwick, 3rd Lord Borthwick.

Captain Archibald Kennedy, 11th Earl of Cassilis was a Scottish peer who lived in the English colony of New York which became part of the United States.

David Kennedy, 10th Earl of Cassilis, was a Scottish peer, the third son of Sir John Kennedy, 2nd Baronet by Jean Douglas.