1) South out of Great Carter Lane, in Castle Baynard Ward, near Addle Hill (Boyle, 1799).
Called : "Meermaid Inn" (O. and M. 1677). "Mermaid Court and Inn" (Hatton, 1708). "Mearmaid Inn" (Strype, 1720 and 1755.) "Mairmaid Inn" (Rocque, 1746). "Mermaid lane" (Maitland, 1775).
The site seems now to be occupied by the Post Office buildings.
Named after the sign.
2) East out of Warwick Lane and south to Paternoster Row, in Castle Baynard Ward (Strype, ed. 1720-Boyle, 1799).
First mention: "Meermaid Court" (O. and M. 1677).
Other forms : "Mearmaid Alley" (Strype, 1720 and 1755). "Mairmaid Court" (Rocque, 1746).
Site now occupied by business houses.
A Dictionary of London. Henry A Harben. 1918.