East out of Billiter Street. In Aldgate Ward (Strype, 1720-Boyle, 1799).
Other names : "Billiter Court" (O. and M. 1677). "Bill Alley " (Rocque, 1746).
Boyle gives both names.
Site rebuilt in the 19th century. Name no doubt a corruption from Billiter Lane.
A Dictionary of London. Henry A Harben. 1918.