South out of Upper Thames Street, at No.100, to the Thames, between Swan Lane and George Alley (P.O. Directory). In Dowgate Ward.
First mention: O. and M. 1677. Called "Edgate Lane" in Strype's maps, 1720 and 1755.
Named after the "Old Swan Inn" there.
Not to be confused with Swan Lane, formerly Ebbgate Lane.
See The Old Swan.
A Dictionary of London. Henry A Harben. 1918.