South out of Cornhill to No.78 Lombard Street. In Cornhill and Langbourn Wards (P.C. 1732-Elmes, 1831).
Former names: "Cardinal Alley" (Leake, 1666). "Cardinal Cap Alley," "Cardinalls Capp Alley" (Rocque, 1746, and Strype, 1720 and 1755). "Cardinal's Cap alley" alias " Swan and Hoop alley " (P.C. 1732).
It occupied the site of and derived its name from the "Cardinals Hat Tavern" mentioned by Stow (p.201) as having been given with the alley by Simon Eyre in 1459 towards a brotherhood of our Ladie in St. Marie Woolnoth's Church (ib. 206).
Site now occupied by offices and chambers.
A Dictionary of London. Henry A Harben. 1918.