Leeds won the trophy by beating Featherstone Rovers by the score of 16–12.
It as also Featherstone Rovers's first of two consecutive Yorkshire Cup final appearances, both of which resulted in a defeat.
This season there were no junior/amateur clubs taking part, no new entrants and no "leavers" and so the total of entries remained the same at sixteen.
[1][2] Involved 8 matches (with no byes) and 16 clubs Involved 4 matches and 8 clubs Involved 1 match and 2 clubs Involved 2 matches and 4 clubs Scoring - Try = three points - Goal = two points - Drop goal = one point [5] 1 * The attendance is given as 7,644 by RUGBYLEAGUEproject[1] but the Rothmans Rugby League Yearbook of 1991-92[4] and 1990-91[5] gives the attendance as one more at 7,645 2 * Headingley, Leeds, is the home ground of Leeds RLFC with a capacity of 21,000.
The record attendance was 40,175 for a league match between Leeds and Bradford Northern on 21 May 1947.