It then became Grimes Hill & Wythall Halt on 12 July 1914; Grimes Hill and Wythall Platform on 11 July 1927; the suffix was dropped on 9 July 1934 and it finally became Wythall on 6 May 1974.
The name underwent a series of changes: it was initially known as Grimes Hill & Wythall Halt in 1914, then as Grimes Hill and Wythall Platform in 1927, before losing its suffix in 1934 and finally settling on the name Wythall in 1974.