diff --git a/CHANGELOG.md b/CHANGELOG.md
index 204cbc0..1dd71af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 All notable changes to this project will be documented in this file. This change log follows the conventions of [keepachangelog.com](http://keepachangelog.com/).
 
 ## [Unreleased]
+### Added
+- Add support for named union members in c-layout
 
 ## [1.0.486] - 2024-10-04
 ### Fixed
diff --git a/src/clj/coffi/mem.clj b/src/clj/coffi/mem.clj
index 955d821..c6609a4 100644
--- a/src/clj/coffi/mem.clj
+++ b/src/clj/coffi/mem.clj
@@ -1149,7 +1149,12 @@
 
 (defmethod c-layout ::union
   [[_union types & {:as _opts} :as _type]]
-  (let [items (map c-layout types)]
+  (let [items (if (map? types)
+                (map
+                  (fn [[field-name field]]
+                    (.withName ^MemoryLayout (c-layout field) (name field-name)))
+                  types)
+                (map c-layout types))]
     (MemoryLayout/unionLayout
      (into-array MemoryLayout items))))