In 1986 at a memorial service in Bradford Cathedral, the Submarine Old Comrade Association (West Riding Branch) erected a memorial plaque on an inner wall within the Cathedral.
The plaque made of Welsh slate was supplied by ex-submariner Tommy Topham MBE.
Rear Admiral Place VC, CB, CVO, DSC unveiled the plaque.
In attendance was Petty Officer Tommy "Nat" Gould, another submariner Victoria Cross recipient of the Second World War.

In 1998 a memorial plaque was installed by Castlereagh Borough Council on the wall of Magennis's former home at 32 Carncaver Road, Castlereagh, East Belfast.
A memorial blue plaque sponsored by Belfast City Council was installed on the outer wall of the Royal Naval Association building at Great Victoria Street, Belfast by the Ulster History Circle.
In 1986 at a memorial service in Bradford Cathedral, the Submarine Old Comrade Association (West Riding Branch) erected a memorial plaque on an inner wall within the Cathedral. The plaque made of Welsh slate was supplied by ex-submariner Tommy Topham MBE. Rear Admiral Place VC, CB, CVO, DSC unveiled the plaque. In attendance was Petty Officer Tommy "Nat" Gould, another submariner Victoria Cross recipient of the Second World War.
In 1998 a memorial plaque was installed by Castlereagh Borough Council on the wall of Magennis's former home at 32 Carncaver Road, Castlereagh, East Belfast. A memorial blue plaque sponsored by Belfast City Council was installed on the outer wall of the Royal Naval Association building at Great Victoria Street, Belfast by the Ulster History Circle.
James Joseph Magennis