diff --git a/moli-renderer-v8/src/native_bridge/element.rs b/moli-renderer-v8/src/native_bridge/element.rs
index 5cae9822f7..dee039cb7f 100644
--- a/moli-renderer-v8/src/native_bridge/element.rs
+++ b/moli-renderer-v8/src/native_bridge/element.rs
@@ -90,6 +90,7 @@ pub(crate) use forms::{
     form_control_elements, form_data_control_elements, is_valid_submit_button,
     submit_form_with_submit_event,
 };
+pub(in crate::native_bridge) use forms::{form_named_control_matches, form_named_image_matches};
 #[cfg(test)]
 pub(crate) use styles::iframe_width_attribute_viewport_width;
 pub(crate) use styles::{
diff --git a/moli-renderer-v8/src/native_bridge/element/forms.rs b/moli-renderer-v8/src/native_bridge/element/forms.rs
index a1a0111b61..56f6bdc083 100644
--- a/moli-renderer-v8/src/native_bridge/element/forms.rs
+++ b/moli-renderer-v8/src/native_bridge/element/forms.rs
@@ -126,9 +126,10 @@ pub(in crate::native_bridge) use self::form_element::{
     form_indexed_deleter, form_indexed_descriptor, form_indexed_enumerator, form_indexed_getter,
     form_indexed_query, form_indexed_setter, form_length_getter_function,
     form_method_getter_function, form_method_setter_function, form_name_getter_function,
-    form_name_setter_function, form_named_definer, form_named_deleter, form_named_descriptor,
-    form_named_getter, form_named_query, form_no_validate_getter_function,
-    form_no_validate_setter_function, form_target_getter_function, form_target_setter_function,
+    form_name_setter_function, form_named_control_matches, form_named_definer, form_named_deleter,
+    form_named_descriptor, form_named_getter, form_named_image_matches, form_named_query,
+    form_no_validate_getter_function, form_no_validate_setter_function,
+    form_target_getter_function, form_target_setter_function,
 };
 pub(crate) use self::input::{cache_input_files_from_selected_files, input_files_for_object};
 pub(in crate::native_bridge) use self::input::{
diff --git a/moli-renderer-v8/src/native_bridge/element/forms/form_element.rs b/moli-renderer-v8/src/native_bridge/element/forms/form_element.rs
index c03e9a37c9..5c28ea517a 100644
--- a/moli-renderer-v8/src/native_bridge/element/forms/form_element.rs
+++ b/moli-renderer-v8/src/native_bridge/element/forms/form_element.rs
@@ -569,11 +569,11 @@ pub(in crate::native_bridge) fn form_named_getter<'s>(
     };
     let scope = &mut v8::ContextScope::new(scope, context);
     let runtime = unsafe { &mut *runtime_ptr };
-    let matches = form_named_item_matches(runtime, handle, &key);
+    let (query_kind, matches) = form_named_item_matches(runtime, handle, &key);
     if matches.len() > 1 {
         let descriptor = LiveCollectionDescriptor {
             collection_kind: CollectionKind::RadioNodeList,
-            query_kind: LiveCollectionQueryKind::FormControlsByName,
+            query_kind,
             root: handle,
             query: Some(key),
             include_root: false,
@@ -632,11 +632,11 @@ pub(in crate::native_bridge) fn form_named_descriptor<'s>(
     };
     let scope = &mut v8::ContextScope::new(scope, context);
     let runtime = unsafe { &mut *runtime_ptr };
-    let matches = form_named_item_matches(runtime, handle, &key);
+    let (query_kind, matches) = form_named_item_matches(runtime, handle, &key);
     let value = if matches.len() > 1 {
         let descriptor = LiveCollectionDescriptor {
             collection_kind: CollectionKind::RadioNodeList,
-            query_kind: LiveCollectionQueryKind::FormControlsByName,
+            query_kind,
             root: handle,
             query: Some(key),
             include_root: false,
@@ -745,7 +745,9 @@ fn form_has_named_item_or_past_name(
     form_handle: DomHandle,
     key: &str,
 ) -> bool {
-    !form_named_item_matches(runtime, form_handle, key).is_empty()
+    !form_named_item_matches(runtime, form_handle, key)
+        .1
+        .is_empty()
         || runtime.form_past_named_item(form_handle, key).is_some()
 }
 
@@ -942,14 +944,30 @@ fn form_named_item_matches(
     runtime: &JsContextHost,
     form_handle: DomHandle,
     key: &str,
-) -> Vec<DomHandle> {
+) -> (LiveCollectionQueryKind, Vec<DomHandle>) {
     // Only a miss is conclusive. A hit still needs the existing form-owner,
     // custom-element, shadow-tree and image-fallback rules below. The caller
     // separately checks the past-names map even when this returns no matches.
     if !runtime.dom_host().has_element_with_named_item_key(key) {
-        return Vec::new();
+        return (LiveCollectionQueryKind::FormControlsByName, Vec::new());
     }
-    let controls = form_control_elements(runtime, form_handle)
+    let controls = form_named_control_matches(runtime, form_handle, key);
+    if controls.is_empty() {
+        (
+            LiveCollectionQueryKind::FormImagesByName,
+            form_named_image_matches(runtime, form_handle, key),
+        )
+    } else {
+        (LiveCollectionQueryKind::FormControlsByName, controls)
+    }
+}
+
+pub(in crate::native_bridge) fn form_named_control_matches(
+    runtime: &JsContextHost,
+    form_handle: DomHandle,
+    key: &str,
+) -> Vec<DomHandle> {
+    form_control_elements(runtime, form_handle)
         .into_iter()
         .filter(|handle| {
             runtime
@@ -958,15 +976,10 @@ fn form_named_item_matches(
                 .and_then(Node::as_element)
                 .is_some_and(|element| element.matches_named_item_key(key))
         })
-        .collect::<Vec<_>>();
-    if controls.is_empty() {
-        form_named_image_matches(runtime, form_handle, key)
-    } else {
-        controls
-    }
+        .collect()
 }
 
-fn form_named_image_matches(
+pub(in crate::native_bridge) fn form_named_image_matches(
     runtime: &JsContextHost,
     form_handle: DomHandle,
     key: &str,
diff --git a/moli-renderer-v8/src/native_bridge/identity.rs b/moli-renderer-v8/src/native_bridge/identity.rs
index 95fe6daa5c..95c37c70c8 100644
--- a/moli-renderer-v8/src/native_bridge/identity.rs
+++ b/moli-renderer-v8/src/native_bridge/identity.rs
@@ -9,7 +9,10 @@ use std::{
 use indexmap::IndexSet;
 
 use super::super::document_runtime::DomHandle;
-use super::element::{control_label_handles, form_control_elements};
+use super::element::{
+    control_label_handles, form_control_elements, form_named_control_matches,
+    form_named_image_matches,
+};
 use super::{JsContextHost, RuntimeObservableContextToken};
 use dense_reflector_map::DenseReflectorMap;
 
@@ -175,6 +178,7 @@ pub(super) enum LiveCollectionQueryKind {
     WindowNamedItems,
     DocumentAllNamedItems,
     FormControlsByName,
+    FormImagesByName,
     Forms,
     Images,
     Scripts,
@@ -204,6 +208,7 @@ impl LiveCollectionQueryKind {
             Self::WindowNamedItems => "windowNamedItems",
             Self::DocumentAllNamedItems => "documentAllNamedItems",
             Self::FormControlsByName => "formControlsByName",
+            Self::FormImagesByName => "formImagesByName",
             Self::Forms => "forms",
             Self::Images => "images",
             Self::Scripts => "scripts",
@@ -302,16 +307,11 @@ impl LiveCollectionDescriptor {
         } else if self.query_kind == LiveCollectionQueryKind::FormControls {
             form_control_elements(host, self.root)
         } else if self.query_kind == LiveCollectionQueryKind::FormControlsByName {
-            let query = self.query.as_deref().unwrap_or_default();
-            form_control_elements(host, self.root)
-                .into_iter()
-                .filter(|handle| {
-                    host.dom_host()
-                        .node(*handle)
-                        .and_then(crate::dom::native::Node::as_element)
-                        .is_some_and(|element| element.matches_named_item_key(query))
-                })
-                .collect()
+            form_named_control_matches(host, self.root, self.query.as_deref().unwrap_or_default())
+        } else if self.query_kind == LiveCollectionQueryKind::FormImagesByName {
+            // A retained image list keeps this filter even if a later form[name]
+            // lookup finds controls. Query kind also distinguishes wrapper caches.
+            form_named_image_matches(host, self.root, self.query.as_deref().unwrap_or_default())
         } else if self.query_kind == LiveCollectionQueryKind::WindowNamedItems {
             crate::native_bridge::named_access::window_named_item_handles(
                 host.dom_host(),
diff --git a/moli-renderer-v8/src/script_vm/tests/dom_xhr/forms/named_lookup.rs b/moli-renderer-v8/src/script_vm/tests/dom_xhr/forms/named_lookup.rs
index b19e21c6e9..3c4d1d4a2b 100644
--- a/moli-renderer-v8/src/script_vm/tests/dom_xhr/forms/named_lookup.rs
+++ b/moli-renderer-v8/src/script_vm/tests/dom_xhr/forms/named_lookup.rs
@@ -101,6 +101,73 @@ fn form_named_lookup_define_property_uses_supported_names_not_visibility() {
     assert_eq!(result, "ok");
 }
 
+#[test]
+fn form_named_lookup_live_lists_preserve_their_control_or_image_source() {
+    let mut vm = new_parsed_test_vm(
+        "https://form-lookup-image-lists.test/",
+        "<!doctype html><html><body><form id='parsed'></form></body></html>",
+    );
+    let result = vm.eval(r#"
+      (() => {
+        const detachedDocument = document.implementation.createHTMLDocument('forms');
+        const forms = [
+          document.getElementById('parsed'),
+          document.createElement('form'),
+          detachedDocument.body.appendChild(detachedDocument.createElement('form'))
+        ];
+        for (const [mode, form] of forms.entries()) {
+          const doc = form.ownerDocument;
+          const first = form.appendChild(doc.createElement('img'));
+          first.name = 'photos';
+          first.id = 'photos';
+          const second = form.appendChild(doc.createElement('img'));
+          second.id = 'photos';
+          const nested = form.appendChild(doc.createElement('form'));
+          nested.appendChild(doc.createElement('img')).name = 'photos';
+          const imageInput = form.appendChild(doc.createElement('input'));
+          imageInput.type = 'image';
+          imageInput.name = 'photos';
+          const images = form.photos;
+          const descriptor = Object.getOwnPropertyDescriptor(form, 'photos');
+          const descriptorImages = descriptor.value;
+          if (!(images instanceof RadioNodeList) || images.length !== 2 || images[0] !== first || images[1] !== second)
+            throw Error(mode + ': image list membership');
+          if (descriptor.writable || descriptor.enumerable || !descriptor.configurable || descriptorImages.length !== 2)
+            throw Error(mode + ': image descriptor');
+          if (form.elements.namedItem('photos') !== null) throw Error(mode + ': elements must exclude images');
+          const control = form.appendChild(doc.createElement('input'));
+          control.name = 'photos';
+          if (form.photos !== control || images.length !== 2 || images[0] !== first)
+            throw Error(mode + ': existing image list changed source');
+          const otherControl = form.appendChild(doc.createElement('input'));
+          otherControl.name = 'photos';
+          const controls = form.photos;
+          if (controls.length !== 2 || controls[0] !== control || controls[1] !== otherControl)
+            throw Error(mode + ': control list membership');
+          control.remove();
+          otherControl.remove();
+          if (controls.length !== 0 || form.photos.length !== 2) throw Error(mode + ': control list fell back to images');
+          form.insertBefore(second, first);
+          if (images[0] !== second || descriptorImages[0] !== second) throw Error(mode + ': image tree order');
+          second.id = 'renamed';
+          if (images.length !== 1 || images[0] !== first || descriptorImages.length !== 1 || form.photos !== first)
+            throw Error(mode + ': live image rename');
+          first.remove();
+          if (images.length !== 0 || descriptorImages.length !== 0) throw Error(mode + ': live image removal');
+          second.name = 'photos';
+          if (images.length !== 1 || images[0] !== second) throw Error(mode + ': live image insertion');
+          if (mode === 2) {
+            document.body.appendChild(document.adoptNode(form));
+            if (images.length !== 1 || images[0] !== second || form.photos !== second)
+              throw Error('adoption changed image list identity');
+          }
+        }
+        return 'ok';
+      })()
+    "#).expect("live RadioNodeLists must retain the source selected by the initial named lookup");
+    assert_eq!(result, "ok");
+}
+
 #[test]
 fn form_named_lookup_misses_do_not_enumerate_or_traverse_controls() {
     let mut vm = new_parsed_test_vm(