On 13 October 1916, a rationalisation of the local government areas in and around
Ipswich was implemented. It involved the abolition of five shires:[1]
a new Shire of Ipswich by amalgamating part of the Shire of Brassall, part of the Shire of Bundanba, part of the Shire of Walloon and all of the Shire of Purga[2]
an enlarged
Shire of Rosewood by including part of the Shire of Walloon
an enlarged
City of Ipswich by including part of the Shire of Brassall and part of the Shire of Bundanba[3]
an enlarged
Shire of Esk by including all of the Shire of Lowood[4]