08 Jun 1981§	Zone A Quarter-Final		Appleby Frodingham v Normanby Park Works	Brumby Hall, Scunthorpe	misc
	08 Jun 1981§	Zone A Quarter-Final		Brigg Town v Alkborough	Brigg Recreation Ground, Brigg	misc
	08 Jun 1981§	Zone A Quarter-Final		Broughton v Scunthorpe Town	Recreation Ground, Broughton	misc
	08 Jun 1981§	Zone B Quarter-Final		Caistor Town v Cromwell Drewery	Brigg Road Ground, Caistor	misc
	08 Jun 1981§	Zone C Quarter-Final		Grimsby British Rail Sports Association v Market Rasen	Carr Lane, Grimsby	misc
	08 Jun 1981§	Zone B Quarter-Final		Healing Clee Rovers v Grimsby Town	Healing Manor, Stallingborough Rd, Healing	misc
	08 Jun 1981§	Zone D Quarter-Final		Hykeham v not known	Memorial Field, North Hykeham	misc
	08 Jun 1981§	Zone B Quarter-Final		Immingham British Rail Sports Association v Barton Town	Blossom Way, Immingham	misc
	08 Jun 1981§	Zone A Quarter-Final		Messingham v Outcasts	Memorial Playing Field, Messingham	misc
	08 Jun 1981§	Zone D Quarter-Final		Nettleham v Waddington	Mulsanne Park, Nettleham	misc
	08 Jun 1981§	Zone B Quarter-Final		Nettleton Mines v East Halton	Lysaghts Sports Ground, Holton le Moor	misc
	08 Jun 1981§	Zone C Quarter-Final		Ross Sports v Skegness	Ross Sports Club Ground, Weelsby Road, Grimsby	misc
	08 Jun 1981§	Zone D Quarter-Final		Ruston Bucyrus v St John's Hospital	Ruston-Bucyrus Ground, Lincoln	misc
	08 Jun 1981§	Zone D Quarter-Final		Southcliffe St Andrews v Saxilby	Sobraon Barracks, Lincoln	misc
	08 Jun 1981§	Zone C Quarter-Final		Holton-le-Clay v Louth	Tetney Lane, Holton-le-Clay	misc
	01 Jul 1981	Second Round		Normanby Park Works v Broughton	Foxhills Sports Ground, Scunthorpe	misc877028
	06 Jul 1981§	Zone A Semi-Final		not known v Alkborough	not known	misc
	06 Jul 1981§	Zone B Semi-Final		not known v not known	not known	misc
	06 Jul 1981§	Zone B Semi-Final		not known v not known	not known	misc
	06 Jul 1981§	Zone C Semi-Final		not known v Market Rasen	not known	misc
	06 Jul 1981§	Zone C Semi-Final		not known v not known	not known	misc
	06 Jul 1981§	Zone D Semi-Final		not known v not known	not known	misc
	06 Jul 1981§	Zone D Semi-Final		not known v Ruston Bucyrus	not known	misc
	03 Aug 1981§	Zone A Final		not known v not known	not known	misc
	03 Aug 1981§	Zone B Final		not known v not known	not known	misc
	03 Aug 1981§	Zone C Final		not known v Market Rasen	not known	misc
	03 Aug 1981§	Zone D Final		not known v Ruston Bucyrus	not known	misc
	Sep 1981			Broughton v Grimsby Town Second XI	Recreation Ground, Broughton	misc
	Sep 1981§	Zone D First Round		Lincoln Claytons v Rustons	Clayton's Sports Club Ground, Lincoln	misc
	Sep 1981§	Zone A First Round		Normanby Park v Appleby Frodingham	Normanby Park Estate, Scunthorpe	misc
	Sep 1981§	Zone A First Round		Nuform Sports v Normanby Park Works	Nuform Ground, Scunthorpe	misc
	Sep 1981§	Zone D First Round		Ruston Bucyrus v Hartsholme	Ruston-Bucyrus Ground, Lincoln	misc
	02 Sep 1981	Semi-Final		Market Rasen v Ruston Bucyrus	Augusta Street, Grimsby	misc
	02 Sep 1981	Semi-Final		Normanby Park Works v Grimsby Town	Drewery Brothers Ground, Grimsby	misc
	02 Sep 1981	Final		Normanby Park Works v Market Rasen	Augusta Street, Grimsby	misc963180

§ The fixture list specified that the match must be completed by this date.