21 May 1978 | First Round | Broughton v Nuform Sports | Recreation Ground, Broughton | Results |
04 Jul 1978 | Second Round | Broughton v Normanby Park Works | Recreation Ground, Broughton | Results |
30 Apr 1978 | Zone A Prelininary Round | Alkborough v Brigg Sugar Factory | West Halton Lane, Alkborough | Results |
30 Apr 1978 | Zone A Prelininary Round | Normanby Park v Brigg Town | Normanby Park Estate, Scunthorpe | Results |
30 Apr 1978 | Zone A Quarter-Final | not known v Normanby Park Works | not known | Results |
30 Apr 1978 | Zone A Quarter-Final | Messingham v Scunthorpe Town | Memorial Playing Field, Messingham | Results |
30 Apr 1978 | Zone A Quarter-Final | not known v Appleby Frodingham | not known | Results |
31 May 1978 | Zone A Semi-Final | Appleby Frodingham v Scunthorpe Town | Brumby Hall, Scunthorpe | Results |
30 Jun 1978 | Zone A Final | Appleby Frodingham v Normanby Park Works | Brumby Hall, Scunthorpe | Results |
21 May 1978 | Zone B Quarter-Final | Cromwell Drewery v Healing Clee Rovers | Drewery Brothers Ground, Grimsby | Results |
30 Apr 1978 | Zone B Quarter-Final | East Halton v Barton Town | Townside Farm, East Halton | Results |
30 Apr 1978 | Zone B Quarter-Final | Caistor Town v Immingham British Rail Sports Association | Brigg Road Ground, Caistor | Results |
31 May 1978 | Zone B Semi-Final | Barton Town v Grimsby Town | Marsh Lane, Barton on Humber | Results |
18 Jun 1978 | Zone B Semi-Final | Immingham British Rail Sports Association v Cromwell Drewery | Blossom Way, Immingham | Results |
30 Jun 1978 | Zone B Final | Cromwell Drewery v Barton Town | Drewery Brothers Ground, Grimsby | Results |
30 Apr 1978 | Zone C Quarter-Final | Skegness v Louth | Richmond Drive, Skegness | Results |
30 Apr 1978 | Zone C Quarter-Final | Grimsby British Rail Sports Association v Cleethorpes | Carr Lane, Grimsby | Results |
30 Apr 1978 | Zone C Quarter-Final | Ross Sports v Market Rasen | Ross Sports Club Ground, Weelsby Road, Grimsby | Results |
31 May 1978 | Zone C Semi-Final | Holton-le-Clay v not known | Tetney Lane, Holton-le-Clay | Results |
31 May 1978 | Zone C Semi-Final | Louth v not known | London Road, Louth | Results |
30 Jun 1978 | Zone C Final | Holton-le-Clay v Louth | Tetney Lane, Holton-le-Clay | Results |
30 Apr 1978 | Zone D Preliminary Round | Hartsholme v Ruston Bucyrus | Ashby Avenue, Hartsholme | Results |
30 Apr 1978 | Zone D Quarter-Final | Saxilby v Waddington | Saxilby Sports Association Ground, Saxilby | Results |
30 Apr 1978 | Zone D Quarter-Final | Rustons v Southcliffe St Andrews | Newark Road, Lincoln | Results |
30 Apr 1978 | Zone D Quarter-Final | Hykeham v St John's Hospital | Memorial Field, North Hykeham | Results |
30 Apr 1978 | Zone D Quarter-Final | Lincoln Claytons v Hartsholme | Clayton's Sports Club Ground, Lincoln | Results |
31 May 1978 | Zone D Semi-Final | Hartsholme v not known | Ashby Avenue, Hartsholme | Results |
31 May 1978 | Zone D Semi-Final | St John's Hospital v not known | St John's Hospital, Bracebridge Heath | Results |
30 Jun 1978 | Zone D Final | St John's Hospital v Hartsholme | St John's Hospital, Bracebridge Heath | Results |
31 Jul 1978 | Semi-Final | Cromwell Drewery v Holton-le-Clay | Drewery Brothers Ground, Grimsby | Results |
31 Jul 1978 | Semi-Final | Hartsholme v Normanby Park Works | Ashby Avenue, Hartsholme | Results |
10 Sep 1978 | Final | Normanby Park Works v Cromwell Drewery | Augusta Street, Grimsby | Results |