Of this number, more than half (twenty-five) were unreformed boroughs listed in the schedule to the Municipal Corporations Act 1883.
Also incorporated were two county towns: Chelmsford and Taunton, and two areas of suburban London, Croydon and West Ham.
Stoke-on-Trent was an amalgam of four boroughs: Burslem, Hanley, Longton and Stoke upon Trent (and two urban districts); Aston Manor was absorbed by Birmingham in 1911; and Devonport by Plymouth in 1914.
This only represented a net increase of ten, however as Port Talbot was formed from the merger of the borough of Aberavon and the urban district of Margam.
Municipal Borough County Created Abolished Successor(s) The incorporations of Farnworth and Prestwich in 1939 were to be the last for fifteen years.