"1st Labor MP for Bolton (1906-1919)" - family tradition.

Actually, Alfred Heny Gill and Tommy Taylor preceded him.
Bolton returned two MPs at the time. Robert overlapped
with Tommy Tailor.

See http://www.angeltowns.com/town/peerage/bcommons4.htm

22 Sep 1914 Robert Tootill (to 1922) 22 Oct 1850 2 Jul 1934 83

See also http://en.wikipedia.org/wiki/Bolton_(UK_Parliament_constituency)