North out of Threadneedle Street, between St. Christopher's Church and Prince's Street In Broad Street Ward (Strype, ed. 1720-Boyle, 1799).
Former names: "Three Nun Alley" (O. and M. 1677-Hatton, 1708). "Three Nunnys Alley," 15 H. VIII. 1523, in Wardmote inquest of Broad St. Ward (L. and P. H. VIII.- III. Pt. 2, p.1515). " Three Nunnes Alley," 1614 (Ct. H.W. II. 738).
Site is now occupied by the Bank of England.
A Dictionary of London. Henry A Harben. 1918.