1153

Deaths 
 May 24 – King David I of Scotland (born 1084)
 July 8 – Pope Eugenius III
 August 17 – Eustace IV of Boulogne, son of Stephen of England
 August 21 – Bernard of Clairvaux, French churchman (born 1090)
 Ranulph de Gernon, 2nd Earl of Chester
 Gilbert Fitz Richard de Clare, Earl of Hertford (born 1115)
 Anna Comnena, Byzantine princess and historian (born 1083)
 Bernard de Tremelay, fourth Grand Master of the Knights Templar, at the siege of Ascalon