 He was again selected at full-back for the subsequent All-Ireland final against Dublin and collected his second successive All-Ireland winners' medal after a 2-14 to 3-04 victory.After winning a third provincial championship medal after a 2-13 to 3-08 victory over Waterford in the 1943 Munster final, Thornhill subsequently lined out in a third successive All-Ireland final.He claimed a third successive winners' medal after the 5-16 to 0-04 victory over Antrim.