1) In East Smithfield (P.C. 1732-Boyle, 1799).
Not named in the maps.
2) East out of Seething Lane, between Green Arbour Court and Black Raven Court. In Tower Ward (Strype, 1720-55).
Former name : "Black Boy Alley" (O. and M. 1677-Review of London, 1728).
"Black Raven Court" (q.v.) seems to occupy part of the site in the O.S. etc.
The site is now covered by Mark Lane Station.
Name derived from the sign.
A Dictionary of London. Henry A Harben. 1918.