diff --git a/invenio_vocabularies/contrib/names/jsonschemas/names/name-v1.0.0.json b/invenio_vocabularies/contrib/names/jsonschemas/names/name-v1.0.0.json
index 78ae9dbe..752bfb75 100644
--- a/invenio_vocabularies/contrib/names/jsonschemas/names/name-v1.0.0.json
+++ b/invenio_vocabularies/contrib/names/jsonschemas/names/name-v1.0.0.json
@@ -24,6 +24,14 @@
       "items": {"$ref": "local://definitions-v1.0.0.json#/identifiers_with_scheme"},
       "uniqueItems": true
     },
+    "props": {
+      "type": "object",
+      "patternProperties": {
+        "^.*$": {
+          "type": "string"
+        }
+      }
+    },
     "affiliations": {
       "description": "Affiliations of the person.",
       "type": "array",
diff --git a/invenio_vocabularies/contrib/names/mappings/os-v1/names/name-v2.0.0.json b/invenio_vocabularies/contrib/names/mappings/os-v1/names/name-v2.0.0.json
index bb67063c..bb43c31f 100644
--- a/invenio_vocabularies/contrib/names/mappings/os-v1/names/name-v2.0.0.json
+++ b/invenio_vocabularies/contrib/names/mappings/os-v1/names/name-v2.0.0.json
@@ -144,6 +144,10 @@
             "type": "keyword"
           }
         }
+      },
+      "props": {
+        "type": "object",
+        "dynamic": "true"
       }
     }
   }
diff --git a/invenio_vocabularies/contrib/names/mappings/os-v2/names/name-v2.0.0.json b/invenio_vocabularies/contrib/names/mappings/os-v2/names/name-v2.0.0.json
index bb67063c..bb43c31f 100644
--- a/invenio_vocabularies/contrib/names/mappings/os-v2/names/name-v2.0.0.json
+++ b/invenio_vocabularies/contrib/names/mappings/os-v2/names/name-v2.0.0.json
@@ -144,6 +144,10 @@
             "type": "keyword"
           }
         }
+      },
+      "props": {
+        "type": "object",
+        "dynamic": "true"
       }
     }
   }
diff --git a/invenio_vocabularies/contrib/names/schema.py b/invenio_vocabularies/contrib/names/schema.py
index 287d4f86..0893f0c1 100644
--- a/invenio_vocabularies/contrib/names/schema.py
+++ b/invenio_vocabularies/contrib/names/schema.py
@@ -42,6 +42,8 @@ class NameSchema(BaseVocabularySchema, ModePIDFieldVocabularyMixin):
         )
     )
     affiliations = fields.List(fields.Nested(AffiliationRelationSchema))
+    props = fields.Dict(keys=fields.Str(), values=fields.Raw())
+
 
     @validates_schema
     def validate_names(self, data, **kwargs):