The Liverpool winger, who joined the Tigers on loan for the remainder of the season in January, followed up his winner at the weekend with the second goal for his side at Portman Road.
Wilson played the full 90 minutes, his volleyed finish coming five before the break.
The result lifted Nigel Adkins’ team up to 17th in the table as they surge clear of the relegation zone with nine matches left this term.
Elsewhere in the division, Marko Grujic featured for the whole of Cardiff City’s 3-1 success on the road against Brentford, a win which consolidated their second-place position.