diff --git a/packages/gatsby/README.md b/packages/gatsby/README.md
index 80c8fc6a5d2..73208635d8b 100644
--- a/packages/gatsby/README.md
+++ b/packages/gatsby/README.md
@@ -22,6 +22,13 @@ module.exports = {
       options: {
         // public API Key
         publicAPIKey: 'MY_PUBLIC_API_KEY',
+        mapEntryToContext: (entry) => {
+          return {
+            property: entry.data.property,
+            anotherProperty: entry.data.whatever,
+            /* ... */
+          };
+        }
         templates: {
           // `page` can be any model of choice, camelCased
           page: path.resolve('templates/my-page.tsx'),
diff --git a/packages/gatsby/src/gatsby-node.js b/packages/gatsby/src/gatsby-node.js
index 04812bd486b..962a077da2f 100644
--- a/packages/gatsby/src/gatsby-node.js
+++ b/packages/gatsby/src/gatsby-node.js
@@ -132,12 +132,19 @@ const createPagesAsync = async (config, createPage, graphql, models, offsets) =>
     }
     entries.forEach(entry => {
       if (entry.content.data.url && entry.content.published === `published`) {
+
+        let mappedProps = {};
+        if (config.mapEntryToContext) {
+          mappedProps = config.mapEntryToContext(entry);
+        }
+
         createPage({
           path: entry.content.data.url,
           component,
-          ...(config.globalContext && {
-            context: config.globalContext,
-          }),
+          context: {
+              ...(config.globalContext || {}),
+              ...mappedProps
+          }
         });
       }
     });