Holy Trinity Church, Headington Quarry, is an active Anglican parish church in the Diocese of Oxford and is located in the district of Headington Quarry, Oxford, England. Designed by George Gilbert Scott, it was built in 1848-49 to serve those working and living in the quarry. Samuel Wilberfoce, the son of William Wilberforce the then Bishop of Oxford, laid the foundation stone 19 June 1948 and upon completion, the church was concentrated by William Wilberforce.

In 1930, author C. S. Lewis and his brother Warren, began attending and did so until their deaths. C. S. Lewis was buried in the small graveyard attached to the church upon his death 22 November 1963. His brother Warren Hamilton Lewis chose his epitaph taken from Shakespeare's King Lear "Men must endure their going hence. This was the quotation on the family calendar on 23 August 1908, the day C. S. and Warren mother died. Warren Hamilton Lewis, upon his death 9 April 1973 was buried in the same grave as his brother.



The church is known for the Narnia window featuring images for C. S. Lewis' Chronicles of Narnia bequeath by George and Kathleen Clark Howe and installed in 1991 in memory of their children Willie and Gillian, both of whom died young and are buried in the churchyard. Contained in the window is a lamp post, the word "Narnia," Glimfeather the owl, the flying horse Fledge, the sword, shield, and bottle of cordial from the story of The Lion, the Witch and the Wardrobe, the Dawn Treader, the castle Cair Paravel, Susan's horn and bow with quiver, and talking animals. In the top left and right hand corners are the arms of John Williams, 1st Baron Williams of Thame, who founded Lord Williams's School where Willie attended at the time of his death.[3] The models for the children were local and included the opera singer Maggie Cooper, who was the girl on the horse, and Rachel Smith with the owl.



Designed by Sir J. Ninian Comper and installed is 1951, above the altar is Christ in Glory stained glass window which is a memorial to those who died in World War II. Hung in 1994 behind the altar, is a cloth representing the three angles who according to Genesis 18 visited Abraham. Installed in 1992 was the chancel organ build by Kenneth Tickle.



Beside of the grave of William Kimber (the ‘father of English Morris"), Mrs. Janie Moore (the adopted "mother" of C. S. Lewis, the churchyard contains the war grave of six Births Army soldiers of World War I.