James Millar Jack

James Millar Jack (1847 or 1848 – 28 September 1912) was a Scottish trade unionist and politician.

Jack came to prominence as a member of the Associated Iron Moulders of Scotland (AIMS), and was elected as its general secretary in November 1879.

[1] He also represented the union at the Trades Union Congress (TUC), and was elected to the TUC's Parliamentary Committee in 1884.

[2] Jack was also interested in the political representation of workers, and was appointed as a vice-president of the Labour Electoral Association.

[3] Under Jack, AIMS was a founding member of the Federation of Engineering and Shipbuilding Trades, and Jack served as its president for many years until his unexpected death in 1912.