diff --git a/integration-tests/gatsby-source-wordpress/__tests__/__snapshots__/index.js.snap b/integration-tests/gatsby-source-wordpress/__tests__/__snapshots__/index.js.snap
index 8b59e8b779fad..ff4ce39cfd37d 100644
--- a/integration-tests/gatsby-source-wordpress/__tests__/__snapshots__/index.js.snap
+++ b/integration-tests/gatsby-source-wordpress/__tests__/__snapshots__/index.js.snap
@@ -951,6 +951,7 @@ Array [
       "seo",
       "viewer",
       "writingSettings",
+      "nodeType",
       "id",
       "parent",
       "children",
@@ -1082,6 +1083,7 @@ Array [
       "termGroupId",
       "termTaxonomyId",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -1231,6 +1233,7 @@ Array [
       "replies",
       "status",
       "type",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -1245,6 +1248,7 @@ Array [
       "id",
       "name",
       "url",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -1421,6 +1425,7 @@ Array [
       "id",
       "name",
       "url",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -1522,6 +1527,7 @@ Array [
       "slug",
       "status",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -1665,6 +1671,7 @@ Array [
       "showInRest",
       "showUi",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -5632,6 +5639,7 @@ Array [
       "slug",
       "status",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -5724,6 +5732,7 @@ Array [
       "id",
       "parentDatabaseId",
       "parentId",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -5797,6 +5806,7 @@ Array [
       "termGroupId",
       "termTaxonomyId",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -5911,6 +5921,7 @@ Array [
       "status",
       "title",
       "uri",
+      "nodeType",
       "localFile",
       "parent",
       "children",
@@ -6051,6 +6062,7 @@ Array [
       "menuItems",
       "name",
       "slug",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6135,6 +6147,7 @@ Array [
       "title",
       "uri",
       "url",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6210,6 +6223,7 @@ Array [
       "isContentNode",
       "isTermNode",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6344,6 +6358,7 @@ Array [
       "authorDatabaseId",
       "authorId",
       "id",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6415,6 +6430,7 @@ Array [
       "commentCount",
       "commentStatus",
       "id",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6475,6 +6491,7 @@ Array [
     "fields": Array [
       "content",
       "id",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6535,6 +6552,7 @@ Array [
     "fields": Array [
       "excerpt",
       "id",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6597,6 +6615,7 @@ Array [
       "featuredImageDatabaseId",
       "featuredImageId",
       "id",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6667,6 +6686,7 @@ Array [
     "fields": Array [
       "id",
       "menuOrder",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6727,6 +6747,7 @@ Array [
     "fields": Array [
       "id",
       "isRevision",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6792,6 +6813,7 @@ Array [
   Object {
     "fields": Array [
       "id",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6852,6 +6874,7 @@ Array [
     "fields": Array [
       "id",
       "title",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -6914,6 +6937,7 @@ Array [
       "pingStatus",
       "pinged",
       "toPing",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -7023,6 +7047,7 @@ Array [
       "template",
       "title",
       "uri",
+      "nodeType",
       "beforeChangeNodeTest",
       "parent",
       "children",
@@ -7265,6 +7290,7 @@ Array [
       "title",
       "toPing",
       "uri",
+      "nodeType",
       "beforeChangeNodeTest",
       "parent",
       "children",
@@ -7337,6 +7363,7 @@ Array [
       "termGroupId",
       "termTaxonomyId",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -7619,6 +7646,7 @@ Array [
       "template",
       "title",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -8100,6 +8128,7 @@ Array [
       "termGroupId",
       "termTaxonomyId",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -8224,6 +8253,7 @@ Array [
       "showInQuickEdit",
       "showInRest",
       "showUi",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -8354,6 +8384,7 @@ Array [
       "termGroupId",
       "termTaxonomyId",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -8466,6 +8497,7 @@ Array [
       "template",
       "title",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -8572,6 +8604,7 @@ Array [
       "template",
       "title",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -8678,6 +8711,7 @@ Array [
       "template",
       "title",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -8756,6 +8790,7 @@ Array [
       "isContentNode",
       "isTermNode",
       "uri",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -8839,6 +8874,7 @@ Array [
       "uri",
       "url",
       "username",
+      "nodeType",
       "parent",
       "children",
       "internal",
@@ -8909,6 +8945,7 @@ Array [
       "displayName",
       "id",
       "name",
+      "nodeType",
       "parent",
       "children",
       "internal",
diff --git a/packages/gatsby-source-wordpress/src/steps/create-schema-customization/index.js b/packages/gatsby-source-wordpress/src/steps/create-schema-customization/index.js
index 88ced3038a379..57afc366b99d9 100644
--- a/packages/gatsby-source-wordpress/src/steps/create-schema-customization/index.js
+++ b/packages/gatsby-source-wordpress/src/steps/create-schema-customization/index.js
@@ -67,11 +67,6 @@ const customizeSchema = async ({ actions, schema, store: gatsbyStore }) => {
           break
       }
 
-      if (type.interfaces && builtType?.config) {
-        builtType.config.interfaces ||= []
-        builtType.config.interfaces.push(...buildInterfacesListForType(type))
-      }
-
       if (builtType) {
         typeDefs.push(builtType)
       }
diff --git a/packages/gatsby-source-wordpress/src/steps/create-schema-customization/type-filters.js b/packages/gatsby-source-wordpress/src/steps/create-schema-customization/type-filters.js
index 17f23ea92c7f8..85e6ab0dbb647 100644
--- a/packages/gatsby-source-wordpress/src/steps/create-schema-customization/type-filters.js
+++ b/packages/gatsby-source-wordpress/src/steps/create-schema-customization/type-filters.js
@@ -1,11 +1,18 @@
+import { buildInterfacesListForType } from "./helpers"
+
 export const typeDefinitionFilters = [
   {
     typeName: `__all`,
-    typeDef: typeDef => {
-      /**
-       * @todo once WPGraphQL has a DateTime Scalar, use that to find date fields
-       * instead of the below fieldnames
-       */
+    typeDef: (typeDef, { type }) => {
+      if (type.interfaces && typeDef) {
+        typeDef.interfaces ||= []
+        typeDef.interfaces.push(...buildInterfacesListForType(type))
+      }
+
+      if (typeDef?.interfaces?.includes(`Node`)) {
+        // used to filter by different node types within a node interface
+        typeDef.fields.nodeType = `String`
+      }
 
       if (typeDef?.fields?.date) {
         const dateField = {