Archibald Kennedy, 3rd Marquess of Ailsa (1 September 1847 – 9 April 1938) was a Scottish peer, the son of Archibald Kennedy, 2nd Marquess of Ailsa.

He married (1) Hon. Evelyn Stuart, daughter of Charles Stuart, 12th Lord Blantyre

Charles Stuart, 12th Lord Blantyre

Charles Walter Stuart, 12th Lord Blantyre DL , styled Master of Blantyre from birth until 1830, was a Scottish politician and landowner with ....

, on 7 March 1871. They had five children.

• Archibald Kennedy, 4th Marquess of Ailsa
  Archibald Kennedy, 4th Marquess of Ailsa
  Archibald Kennedy, 4th Marquess of Ailsa DL, JP, FSRGS , styled Earl of Cassilis until 1938, was a Scottish peer, barrister and soldier....
  
   (1872–1943)
• Charles Kennedy, 5th Marquess of Ailsa
  Charles Kennedy, 5th Marquess of Ailsa
  Charles Kennedy, 5th Marquess of Ailsa was a Scottish peer, the son of Archibald Kennedy, 3rd Marquess of Ailsa. He was known as Lord Charles Kennedy until 1943, when he inherited the Marquis title....
  
   (1875–1956)
• Lady Evelyn Kennedy (1876–1886)
• Lady Aline Kennedy (1877–1957)
• Angus Kennedy, 6th Marquess of Ailsa
  Angus Kennedy, 6th Marquess of Ailsa
  Angus Kennedy, 6th Marquess of Ailsa was a Scottish peer, the son of Archibald Kennedy, 3rd Marquess of Ailsa...
  
   (1882–1957)

He married (2) Isabella MacMaster, on 3 November 1891, and they had two children

• Lt.-Col. Lord Hugh Kennedy (1895–1970)
• Lady Marjory Kennedy (b. 4 Sep 1898)

Archibald Angus Charles Kennedy, 3rd Marquess of Ailsa succeeded to the titles of 14th Earl of Cassilis, 16th Lord Kennedy, 3rd Marquess of Ailsa

Marquess of Ailsa

Marquess of Ailsa, of the Isle of Ailsa in the County of Ayr, is a title in the Peerage of the United Kingdom. It was created on 10 September 1831 for Archibald Kennedy, 12th Earl of Cassillis. The title Earl of Cassillis had been created in 1509 for the 3rd Lord Kennedy. This title had been...

 & 3rd Baron Ailsa on 20 March 1870.