Akademik

Tower Street
   West from Tower Hill to Eastcheap and St. Margaret Pattens Church (S. 132).
   First mention: " La Tourstrate," Is Ed. I. (Anc. Deeds, A. 1708).
   Name derived from the Tower. Now called Great Tower Street (q.v.), and See Little Tower Street and Gally Row.
   A mortarium found here near Allhallows Barking Church, at a depth of 10 ft. (Arch XII. 413).

A Dictionary of London. . 1918.