diff --git a/app/plugins/CoreEnroller/src/Lib/Enum/MagicEnvNameFieldsEnum.php b/app/plugins/CoreEnroller/src/Lib/Enum/MagicEnvNameFieldsEnum.php
new file mode 100644
index 000000000..01ab8ea66
--- /dev/null
+++ b/app/plugins/CoreEnroller/src/Lib/Enum/MagicEnvNameFieldsEnum.php
@@ -0,0 +1,67 @@
+<?php
+/**
+ * COmanage Registry Magic Environment Variable Name Fields Enum
+ *
+ * Name defaults may be sourced from environment variables. Since names have
+ * multiple components, the configured base variable name is appended with one
+ * of the suffixes below to derive the per-component variable name.
+ *
+ * Example:
+ *   Base:   ENV_OIS_NAME
+ *   Given:  ENV_OIS_NAME_GIVEN
+ *
+ * Portions licensed to the University Corporation for Advanced Internet
+ * Development, Inc. ("UCAID") under one or more contributor license agreements.
+ * See the NOTICE file distributed with this work for additional information
+ * regarding copyright ownership.
+ *
+ * UCAID licenses this file to you under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @link          https://www.internet2.edu/comanage COmanage Project
+ * @package       registry-plugins
+ * @since         COmanage Registry v5.2.0
+ * @license       Apache License, Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
+ */
+
+declare(strict_types = 1);
+
+namespace CoreEnroller\Lib\Enum;
+
+use App\Lib\Enum\StandardEnum;
+
+class MagicEnvNameFieldsEnum extends StandardEnum {
+  /**
+   * Suffix delimiter used to construct component env var names.
+   */
+  const Delimiter = '_';
+
+  /**
+   * Suffixes appended to a configured base env var name.
+   */
+  const HonorificSuffix = '_HONORIFIC';
+  const GivenSuffix     = '_GIVEN';
+  const MiddleSuffix    = '_MIDDLE';
+  const FamilySuffix    = '_FAMILY';
+  const SuffixSuffix    = '_SUFFIX';
+
+  /**
+   * All supported suffixes (in documentation order).
+   */
+  const Suffixes = [
+    self::HonorificSuffix,
+    self::GivenSuffix,
+    self::MiddleSuffix,
+    self::FamilySuffix,
+    self::SuffixSuffix,
+  ];
+}
diff --git a/app/plugins/CoreEnroller/src/Lib/Util/MagicEnvDefaultUtilities.php b/app/plugins/CoreEnroller/src/Lib/Util/MagicEnvDefaultUtilities.php
new file mode 100644
index 000000000..83003e4fb
--- /dev/null
+++ b/app/plugins/CoreEnroller/src/Lib/Util/MagicEnvDefaultUtilities.php
@@ -0,0 +1,71 @@
+<?php
+/**
+ * COmanage Registry Magic Env Default Utilities
+ *
+ * Utilities for deriving default values from environment variables where
+ * attribute values are composed from multiple components (eg: Name).
+ *
+ * Portions licensed to the University Corporation for Advanced Internet
+ * Development, Inc. ("UCAID") under one or more contributor license agreements.
+ * See the NOTICE file distributed with this work for additional information
+ * regarding copyright ownership.
+ *
+ * UCAID licenses this file to you under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @link          https://www.internet2.edu/comanage COmanage Project
+ * @package       registry-plugins
+ * @since         COmanage Registry v5.2.0
+ * @license       Apache License, Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
+ */
+
+declare(strict_types = 1);
+
+namespace CoreEnroller\Lib\Util;
+
+use CoreEnroller\Lib\Enum\MagicEnvNameFieldsEnum;
+
+class MagicEnvDefaultUtilities {
+  /**
+   * Return the default value for a Name component derived from a base env var name.
+   *
+   * No fallback values are invented: missing/empty env vars return null.
+   *
+   * @param string $baseEnvName Base env var name (eg: ENV_OIS_NAME)
+   * @param string $component One of: honorific|given|middle|family|suffix
+   * @return string|null
+   */
+  public static function nameComponentFromEnv(string $baseEnvName, string $component): ?string {
+    $component = strtolower($component);
+
+    $suffix = match($component) {
+      'honorific' => MagicEnvNameFieldsEnum::HonorificSuffix,
+      'given'     => MagicEnvNameFieldsEnum::GivenSuffix,
+      'middle'    => MagicEnvNameFieldsEnum::MiddleSuffix,
+      'family'    => MagicEnvNameFieldsEnum::FamilySuffix,
+      'suffix'    => MagicEnvNameFieldsEnum::SuffixSuffix,
+      default     => null
+    };
+
+    if($suffix === null || $baseEnvName === '') {
+      return null;
+    }
+
+    $v = getenv($baseEnvName . $suffix);
+
+    if($v === false || $v === '') {
+      return null;
+    }
+
+    return (string)$v;
+  }
+}
diff --git a/app/plugins/CoreEnroller/templates/element/field.php b/app/plugins/CoreEnroller/templates/element/field.php
index 9166f9ca7..2cd01cc27 100644
--- a/app/plugins/CoreEnroller/templates/element/field.php
+++ b/app/plugins/CoreEnroller/templates/element/field.php
@@ -40,9 +40,13 @@
 // Do we have a default value configured?
 // Either a value or an Environmental Variable,
 // Each default value is mutually exclusive to the rest. We do not have to worry about a conflict.
+//
+// NOTE: name/address/telephoneNumber are MVEAs and are rendered as grouped sub-fields.
+// Their per-component defaults must be applied at the sub-field level, not here.
 $options['default'] = match(true) {
   isset($attr->default_value)                          => $attr->default_value,
   isset($attr->default_value_env_name)
+  && $attr->attribute !== 'name'
   && getenv($attr->default_value_env_name) !== false   => getenv($attr->default_value_env_name),
   isset($attr->default_value_datetime)                 => $attr->default_value_datetime,
   default                                              => ''
diff --git a/app/plugins/CoreEnroller/templates/element/mveas/fieldset-field.php b/app/plugins/CoreEnroller/templates/element/mveas/fieldset-field.php
index ea15b31d8..82869edc1 100644
--- a/app/plugins/CoreEnroller/templates/element/mveas/fieldset-field.php
+++ b/app/plugins/CoreEnroller/templates/element/mveas/fieldset-field.php
@@ -29,6 +29,7 @@
 declare(strict_types = 1);
 
 use \Cake\Utility\Inflector;
+use CoreEnroller\Lib\Util\MagicEnvDefaultUtilities;
 
 // $field: string
 // $attr:  object
@@ -53,12 +54,23 @@
 // Do we have a default value configured?
 // Either a value or an Environmental Variable,
 // Each default value is mutually exclusive to the rest. We do not have to worry about a conflict.
+//
+// NOTE: For Name, default_value_env_name is treated as a base env var name.
+// We derive per-component env vars (eg BASE_GIVEN). Missing/empty env vars yield no default.
 $options['default'] = match(true) {
   isset($attr->default_value)                          => $attr->default_value,
+
   // XXX The $attr->default_value_env_name for the name attribute is tricky. Since the name has many values.
   //     Check the EnvSource plugin
   isset($attr->default_value_env_name)
+  && $attr->attribute === 'name'
+  && MagicEnvDefaultUtilities::nameComponentFromEnv((string)$attr->default_value_env_name, (string)$field) !== null
+                                                  => MagicEnvDefaultUtilities::nameComponentFromEnv((string)$attr->default_value_env_name, (string)$field),
+
+  isset($attr->default_value_env_name)
+  && $attr->attribute !== 'name'
   && getenv($attr->default_value_env_name) !== false   => getenv($attr->default_value_env_name),
+
   isset($attr->default_value_datetime)                 => $attr->default_value_datetime,
   default                                              => ''
 };