After the death of his father, William, a part-time policeman, his mother, Una, emigrated to England to find work settling in Handsworth, Birmingham.
After serving on the TGWU General Executive Council (GEC) from 1972 to 1973, Bill Morris joined the union as a full-time official.
In 1979, he became national secretary of the Passenger Services Trade Group, which was responsible for staff working for bus and coach companies.
He remained in the post until his retirement on his 65th birthday, 19 October 2003, when he was succeeded as general secretary by Tony Woodley.
Morris was awarded the Order of Jamaica in 2002 and received a knighthood in the 2003 Queen's Birthday Honours.
In August 2014, Morris was one of 200 public figures who were signatories to a letter to The Guardian opposing Scottish independence in the run-up to September's referendum on that issue.