Maguire scored his first goal of the 2014–15 season against Millwall, a 57th-minute free-kick with the game ending 1–1. Maguire had to wait until 4 October 2014 for his second goal of the season, a thunderous strike against local rivals Leeds United in the 52nd minute with the game ending 1–1. Maguire's third goal of the season came against Blackpool on Boxing Day, a 39th-minute penalty which proved to be the winner in a 1–0 victory. On 10 January 2015, Maguire scored his fourth goal of the 2014–15 season at Nottingham Forest in Wednesday's 2–0 victory and followed that up the following week with a penalty against Bolton Wanderers in a 2–1 defeat. On 4 March 2015, Maguire scored his sixth goal of the season, after coming on as substitute, against Blackburn Rovers in another 2–1 defeat. On 18 April 2015 Maguire scored the equaliser from the penalty spot in the 95th minute of the game against AFC Bournemouth in a 2–2 draw. The following week on 25 April 2015, Maguire scored his eighth and final goal of 2014–15 against Yorkshire rivals Leeds United, which was again from the penalty spot; Wednesday went on to lose the game 2–1.