She was named in honour of the Battle of Agincourt, fought in 1415 during the Hundred Years’ War. Agincourt was built by R. & W. Hawthorn, Leslie & Company Limited on the River Tyne. She was launched on 29 January 1945 and commissioned on 25 June 1947.
In 1966, Agincourt was reduced to Operational Reserve, and was subsequently placed on the disposal list in 1972. She was broken up in Sunderland in 1974.
https://en.wikipedia.org/wiki/HMS_Agincourt_(D86)