diff --git a/src/OpenFOAM/matrices/solution/solution.C b/src/OpenFOAM/matrices/solution/solution.C
index 4766956c23..d48310aa31 100644
--- a/src/OpenFOAM/matrices/solution/solution.C
+++ b/src/OpenFOAM/matrices/solution/solution.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2019 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -30,7 +30,7 @@ License
 
 namespace Foam
 {
-    defineDebugSwitchWithName(solution, "solution", 0);
+    defineTypeNameAndDebug(solution, 0);
 }
 
 // List of sub-dictionaries to rewrite
diff --git a/src/OpenFOAM/matrices/solution/solution.H b/src/OpenFOAM/matrices/solution/solution.H
index 18834439bb..e325226b4a 100644
--- a/src/OpenFOAM/matrices/solution/solution.H
+++ b/src/OpenFOAM/matrices/solution/solution.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2019 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -87,8 +87,8 @@ public:
     //  Returns the number of settings changed
     static label upgradeSolverDict(dictionary& dict, const bool verbose=true);
 
-    //- Debug switch
-    static int debug;
+    //- Type information
+    ClassName("solution");
 
 
     // Constructors
diff --git a/src/OpenFOAM/meshes/data/data.C b/src/OpenFOAM/meshes/data/data.C
index 1048a2c46d..4d3302121c 100644
--- a/src/OpenFOAM/meshes/data/data.C
+++ b/src/OpenFOAM/meshes/data/data.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2019 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -28,7 +28,10 @@ License
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
-int Foam::data::debug(Foam::debug::debugSwitch("data", false));
+namespace Foam
+{
+    defineTypeNameAndDebug(data, 0);
+}
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
diff --git a/src/OpenFOAM/meshes/data/data.H b/src/OpenFOAM/meshes/data/data.H
index 5d27f0b5b7..768b949cb7 100644
--- a/src/OpenFOAM/meshes/data/data.H
+++ b/src/OpenFOAM/meshes/data/data.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2019 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -64,8 +64,8 @@ class data
 
 public:
 
-    //- Debug switch
-    static int debug;
+    //- Type information
+    ClassName("data");
 
 
     // Constructors
diff --git a/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C b/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C
index d8860907e1..5fab8b398b 100644
--- a/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C
+++ b/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -29,7 +29,10 @@ License
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
-int Foam::fvSchemes::debug(Foam::debug::debugSwitch("fvSchemes", false));
+namespace Foam
+{
+    defineTypeNameAndDebug(fvSchemes, 0);
+}
 
 
 // * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * * //
diff --git a/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.H b/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.H
index e25b6faa8a..f37c1d54c1 100644
--- a/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.H
+++ b/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2019 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -94,8 +94,8 @@ class fvSchemes
 
 public:
 
-    //- Debug switch
-    static int debug;
+    //- Type information
+    ClassName("fvSchemes");
 
 
     // Constructors
diff --git a/src/finiteVolume/interpolation/interpolation/interpolationCellPoint/cellPointWeight/cellPointWeight.C b/src/finiteVolume/interpolation/interpolation/interpolationCellPoint/cellPointWeight/cellPointWeight.C
index 4f51450638..5d93d2ce40 100644
--- a/src/finiteVolume/interpolation/interpolation/interpolationCellPoint/cellPointWeight/cellPointWeight.C
+++ b/src/finiteVolume/interpolation/interpolation/interpolationCellPoint/cellPointWeight/cellPointWeight.C
@@ -24,12 +24,16 @@ License
 \*---------------------------------------------------------------------------*/
 
 #include "cellPointWeight.H"
+#include "defineDebugSwitch.H"
 #include "polyMesh.H"
 #include "polyMeshTetDecomposition.H"
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
-int Foam::cellPointWeight::debug(debug::debugSwitch("cellPointWeight", 0));
+namespace Foam
+{
+    defineTypeNameAndDebug(cellPointWeight, 0);
+}
 
 Foam::scalar Foam::cellPointWeight::tol(small);
 
diff --git a/src/finiteVolume/interpolation/interpolation/interpolationCellPoint/cellPointWeight/cellPointWeight.H b/src/finiteVolume/interpolation/interpolation/interpolationCellPoint/cellPointWeight/cellPointWeight.H
index 38adbb89a0..abf7c81a25 100644
--- a/src/finiteVolume/interpolation/interpolation/interpolationCellPoint/cellPointWeight/cellPointWeight.H
+++ b/src/finiteVolume/interpolation/interpolation/interpolationCellPoint/cellPointWeight/cellPointWeight.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -86,8 +86,8 @@ protected:
 
 public:
 
-    //- Debug switch
-    static int debug;
+    //- Type information
+    ClassName("cellPointWeight");
 
     //- Tolerance used in calculating barycentric co-ordinates
     //  (applied to normalised values)
diff --git a/src/finiteVolume/interpolation/interpolation/interpolationPointMVC/pointMVCWeight.C b/src/finiteVolume/interpolation/interpolation/interpolationPointMVC/pointMVCWeight.C
index 3f04b1adc8..95aaa6d95b 100644
--- a/src/finiteVolume/interpolation/interpolation/interpolationPointMVC/pointMVCWeight.C
+++ b/src/finiteVolume/interpolation/interpolation/interpolationPointMVC/pointMVCWeight.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -30,7 +30,7 @@ License
 
 namespace Foam
 {
-    defineDebugSwitchWithName(pointMVCWeight, "pointMVCWeight", 0);
+    defineTypeNameAndDebug(pointMVCWeight, 0);
 }
 
 Foam::scalar Foam::pointMVCWeight::tol(small);
diff --git a/src/finiteVolume/interpolation/interpolation/interpolationPointMVC/pointMVCWeight.H b/src/finiteVolume/interpolation/interpolation/interpolationPointMVC/pointMVCWeight.H
index 837335f02d..0e8ab3dad0 100644
--- a/src/finiteVolume/interpolation/interpolation/interpolationPointMVC/pointMVCWeight.H
+++ b/src/finiteVolume/interpolation/interpolation/interpolationPointMVC/pointMVCWeight.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2018 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2020 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -104,8 +104,8 @@ protected:
 
 public:
 
-    //- Debug switch
-    static int debug;
+    //- Type information
+    ClassName("pointMVCWeight");
 
     //- Tolerance used in calculating barycentric co-ordinates
     //  (applied to normalised values)