diff --git a/scripts/build.ts b/scripts/build.ts
index bba1ead7..94ed04a3 100644
--- a/scripts/build.ts
+++ b/scripts/build.ts
@@ -48,6 +48,7 @@ function buildPeopleInfoAndList() {
     // Compiled meta of list of people for the front page (contains keys id, name, profileUrl)
     const peopleList: PeopleMeta[] = [];
     const peopleHomeList: PeopleMeta[] = [];
+    const birthdayList = [] as [string, string][]
 
     // For each person
     for (const { dirname, srcPath, distPath } of people) {
@@ -78,6 +79,10 @@ function buildPeopleInfoAndList() {
         catch (e) { console.log(`Unable to calculate age for ${dirname}`) }
       }
 
+      if (info.id && info.info && info.info.born) {
+        birthdayList.push([info.id, info.info.born])
+      }
+
       // Convert info dict to [[key, value], ...]
       // And add info k-v pairs from markdown to the info object in json5
       info.info = [...Object.entries(mdMeta.info ?? {}), ...Object.entries(info.info ?? {})]
@@ -125,6 +130,7 @@ function buildPeopleInfoAndList() {
     // Write people-list.json
     fs.writeFileSync(path.join(projectRoot, DIST_DIR, `people-list${lang}.json`), JSON.stringify(peopleList));
     fs.writeFileSync(path.join(projectRoot, DIST_DIR, `people-home-list${lang}.json`), JSON.stringify(peopleHomeList));
+    fs.writeFileSync(path.join(projectRoot, DIST_DIR, 'birthday-list.json'), JSON.stringify(birthdayList));
   }
 }