James Montgomery Speed was a politician who was a member of the Western Australian Legislative Council (upper house) for the Metropolitan-Suburban Province from 29 August 1900 to 21 May 1902.

He married Louisa Katherine Carey (née Hester, born c. January 1856) on 25 March 1894 at St John's Church, Perth.

On 14 February 1895, Speed married Georgina Henrietta Spencer (born c. March 1872) at a private residence at Wilberforce, near York, Western Australia.

[4] He did not win re-election at the 1902 Western Australian Legislative Council election, with his term running out on 21 May 1902.

[1] In around 1910, shortly after he received a sizeable inheritance from New Zealand, Speed left his wife Georgina and took up residence with Barbara Bridget Hayes.