Akademik

Cannon Alley
   North out of St. Paul's Churchyard, at No. 64, to Paternoster Row (P.O. Directory). In Farringdon Ward Within.
   First mention: P.C. 1732.
   Former names : "Petty Cannons, Petty Canons" (O. and M. 1677 and Strype) "Petty canons alley" (Hatton, 1708).
   Some of the canons' houses occupied the site of this street, hence the name.

A Dictionary of London. . 1918.