diff --git a/ports/atmel-samd/common-hal/canio/Listener.c b/ports/atmel-samd/common-hal/canio/Listener.c
index 02cfde9cc8..d21ebbb313 100644
--- a/ports/atmel-samd/common-hal/canio/Listener.c
+++ b/ports/atmel-samd/common-hal/canio/Listener.c
@@ -58,8 +58,8 @@ STATIC void static_assertions(void) {
     MP_STATIC_ASSERT(CAN_XIDFE_0_EFEC_STF0M_Val + 1 == CAN_XIDFE_0_EFEC_STF1M_Val);
 }
 
-STATIC bool single_address_filter(canio_match_obj_t *match) {
-    return match->mask == 0 || match->mask == match->address;
+STATIC bool single_id_filter(canio_match_obj_t *match) {
+    return match->mask == 0 || match->mask == match->id;
 }
 
 STATIC bool standard_filter_in_use(CanMramSidfe *filter) {
@@ -76,7 +76,7 @@ STATIC size_t num_filters_needed(size_t nmatch, canio_match_obj_t **matches, boo
         if (extended != matches[i]->extended) {
             continue;
         }
-        if (single_address_filter(matches[i])) {
+        if (single_id_filter(matches[i])) {
             num_half_filters_needed += 1;
         } else {
             num_half_filters_needed += 2;
@@ -191,7 +191,7 @@ STATIC void install_extended_filter(CanMramXidfe *extended, int id1, int id2, in
 }
 
 
-#define NO_ADDRESS (-1)
+#define NO_ID (-1)
 void set_filters(canio_listener_obj_t *self, size_t nmatch, canio_match_obj_t **matches) {
     int fifo = self->fifo_idx;
 
@@ -207,31 +207,31 @@ void set_filters(canio_listener_obj_t *self, size_t nmatch, canio_match_obj_t **
     CanMramSidfe *standard = next_standard_filter(self, NULL);
     CanMramXidfe *extended = next_extended_filter(self, NULL);
 
-    int first_address = NO_ADDRESS;
+    int first_id = NO_ID;
 
-    // step 1: single address standard matches
+    // step 1: single id standard matches
     // we have to gather up pairs and stuff them in a single filter entry
     for(size_t i = 0; i<nmatch; i++) {
         canio_match_obj_t *match = matches[i];
         if (match->extended) {
             continue;
         }
-        if (!single_address_filter(match)) {
+        if (!single_id_filter(match)) {
             continue;
         }
-        if (first_address != NO_ADDRESS) {
-            install_standard_filter(standard, first_address, match->address, CAN_SIDFE_0_SFEC_STF0M_Val + fifo, CAN_SIDFE_0_SFT_DUAL_Val);
-            first_address = NO_ADDRESS;
+        if (first_id != NO_ID) {
+            install_standard_filter(standard, first_id, match->id, CAN_SIDFE_0_SFEC_STF0M_Val + fifo, CAN_SIDFE_0_SFT_DUAL_Val);
+            first_id = NO_ID;
             standard = next_standard_filter(self, standard);
         } else {
-            first_address = match->address;
+            first_id = match->id;
         }
     }
-    // step 1.5. odd single address standard match
-    if (first_address != NO_ADDRESS) {
-            install_standard_filter(standard, first_address, first_address, CAN_SIDFE_0_SFEC_STF0M_Val + fifo, CAN_SIDFE_0_SFT_DUAL_Val);
+    // step 1.5. odd single id standard match
+    if (first_id != NO_ID) {
+            install_standard_filter(standard, first_id, first_id, CAN_SIDFE_0_SFEC_STF0M_Val + fifo, CAN_SIDFE_0_SFT_DUAL_Val);
             standard = next_standard_filter(self, standard);
-            first_address = NO_ADDRESS;
+            first_id = NO_ID;
     }
 
     // step 2: standard mask filter
@@ -240,36 +240,36 @@ void set_filters(canio_listener_obj_t *self, size_t nmatch, canio_match_obj_t **
         if (match->extended) {
             continue;
         }
-        if (single_address_filter(match)) {
+        if (single_id_filter(match)) {
             continue;
         }
-        install_standard_filter(standard, match->address, match->mask, CAN_SIDFE_0_SFEC_STF0M_Val + fifo, CAN_SIDFE_0_SFT_CLASSIC_Val);
+        install_standard_filter(standard, match->id, match->mask, CAN_SIDFE_0_SFEC_STF0M_Val + fifo, CAN_SIDFE_0_SFT_CLASSIC_Val);
         standard = next_standard_filter(self, standard);
     }
 
-    // step 3: single address extended matches
+    // step 3: single id extended matches
     // we have to gather up pairs and stuff them in a single filter entry
     for(size_t i = 0; i<nmatch; i++) {
         canio_match_obj_t *match = matches[i];
         if (!match->extended) {
             continue;
         }
-        if (!single_address_filter(match)) {
+        if (!single_id_filter(match)) {
             continue;
         }
-        if (first_address != NO_ADDRESS) {
-            install_extended_filter(extended, first_address, match->address, CAN_XIDFE_0_EFEC_STF0M_Val + fifo, CAN_XIDFE_1_EFT_DUAL_Val);
-            first_address = NO_ADDRESS;
+        if (first_id != NO_ID) {
+            install_extended_filter(extended, first_id, match->id, CAN_XIDFE_0_EFEC_STF0M_Val + fifo, CAN_XIDFE_1_EFT_DUAL_Val);
+            first_id = NO_ID;
             extended = next_extended_filter(self, extended);
         } else {
-            first_address = match->address;
+            first_id = match->id;
         }
     }
-    // step 3.5. odd single address standard match
-    if (first_address != NO_ADDRESS) {
-            install_extended_filter(extended, first_address, first_address, CAN_XIDFE_0_EFEC_STF0M_Val + fifo, CAN_XIDFE_1_EFT_DUAL_Val);
+    // step 3.5. odd single id standard match
+    if (first_id != NO_ID) {
+            install_extended_filter(extended, first_id, first_id, CAN_XIDFE_0_EFEC_STF0M_Val + fifo, CAN_XIDFE_1_EFT_DUAL_Val);
             extended = next_extended_filter(self, extended);
-            first_address = NO_ADDRESS;
+            first_id = NO_ID;
     }
 
     // step 4: extended mask filters
@@ -278,10 +278,10 @@ void set_filters(canio_listener_obj_t *self, size_t nmatch, canio_match_obj_t **
         if (!match->extended) {
             continue;
         }
-        if (single_address_filter(match)) {
+        if (single_id_filter(match)) {
             continue;
         }
-        install_extended_filter(extended, match->address, match->mask, CAN_XIDFE_0_EFEC_STF0M_Val + fifo, CAN_XIDFE_1_EFT_CLASSIC_Val);
+        install_extended_filter(extended, match->id, match->mask, CAN_XIDFE_0_EFEC_STF0M_Val + fifo, CAN_XIDFE_1_EFT_CLASSIC_Val);
         extended = next_extended_filter(self, extended);
     }
 
@@ -363,7 +363,7 @@ bool common_hal_canio_listener_readinto(canio_listener_obj_t *self, canio_messag
     if (message->extended) {
         message->id = hw_message->rxf0.bit.ID;
     } else {
-        message->id = hw_message->rxf0.bit.ID >> 18; // short addresses are left-justified
+        message->id = hw_message->rxf0.bit.ID >> 18; // short ids are left-justified
     }
     message->rtr = hw_message->rxf0.bit.RTR;
     message->size = hw_message->rxf1.bit.DLC;
diff --git a/shared-bindings/canio/Match.c b/shared-bindings/canio/Match.c
index ff5d028fad..91a9dd02a3 100644
--- a/shared-bindings/canio/Match.c
+++ b/shared-bindings/canio/Match.c
@@ -33,19 +33,19 @@
 //|     """Describe CAN bus messages to match"""
 //|
 //|
-//|     def __init__(self, address: int, *, mask: int = 0, extended: bool = False):
+//|     def __init__(self, id: int, *, mask: int = 0, extended: bool = False):
 //|         """Construct a Match with the given properties.
 //|
-//|         If mask is nonzero, then the filter is for any sender which matches all
-//|         the nonzero bits in mask. Otherwise, it matches exactly the given address.
-//|         If extended is true then only extended addresses are matched, otherwise
-//|         only standard addresses are matched."""
+//|         If mask is nonzero, then the filter is for any id which matches all
+//|         the nonzero bits in mask. Otherwise, it matches exactly the given id.
+//|         If extended is true then only extended ids are matched, otherwise
+//|         only standard ids are matched."""
 //|
 
 STATIC mp_obj_t canio_match_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
-    enum { ARG_address, ARG_mask, ARG_extended, NUM_ARGS };
+    enum { ARG_id, ARG_mask, ARG_extended, NUM_ARGS };
     static const mp_arg_t allowed_args[] = {
-        { MP_QSTR_address, MP_ARG_INT | MP_ARG_REQUIRED },
+        { MP_QSTR_id, MP_ARG_INT | MP_ARG_REQUIRED },
         { MP_QSTR_mask, MP_ARG_INT, {.u_int = 0} },
         { MP_QSTR_extended, MP_ARG_BOOL, {.u_bool = false} },
     };
@@ -54,44 +54,44 @@ STATIC mp_obj_t canio_match_make_new(const mp_obj_type_t *type, size_t n_args, c
 
     mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
 
-    int address_bits = args[ARG_extended].u_bool ? 0x1fffffff : 0x7ff;
-    int address = args[ARG_address].u_int;
+    int id_bits = args[ARG_extended].u_bool ? 0x1fffffff : 0x7ff;
+    int id = args[ARG_id].u_int;
     int mask = args[ARG_mask].u_int;
 
-    if (address & ~address_bits) {
-        mp_raise_ValueError_varg(translate("%q out of range"), MP_QSTR_address);
+    if (id & ~id_bits) {
+        mp_raise_ValueError_varg(translate("%q out of range"), MP_QSTR_id);
     }
 
-    if (mask & ~address_bits) {
+    if (mask & ~id_bits) {
         mp_raise_ValueError_varg(translate("%q out of range"), MP_QSTR_mask);
     }
 
     canio_match_obj_t *self = m_new_obj(canio_match_obj_t);
     self->base.type = &canio_match_type;
-    common_hal_canio_match_construct(self, args[ARG_address].u_int, args[ARG_mask].u_int, args[ARG_extended].u_bool);
+    common_hal_canio_match_construct(self, args[ARG_id].u_int, args[ARG_mask].u_int, args[ARG_extended].u_bool);
     return self;
 }
 
-//|     address: int
-//|     """The address to match"""
+//|     id: int
+//|     """The id to match"""
 //|
 
-STATIC mp_obj_t canio_match_address_get(mp_obj_t self_in) {
+STATIC mp_obj_t canio_match_id_get(mp_obj_t self_in) {
     canio_match_obj_t *self = self_in;
-    return MP_OBJ_NEW_SMALL_INT(common_hal_canio_match_get_address(self));
+    return MP_OBJ_NEW_SMALL_INT(common_hal_canio_match_get_id(self));
 }
-MP_DEFINE_CONST_FUN_OBJ_1(canio_match_address_get_obj, canio_match_address_get);
+MP_DEFINE_CONST_FUN_OBJ_1(canio_match_id_get_obj, canio_match_id_get);
 
-const mp_obj_property_t canio_match_address_obj = {
+const mp_obj_property_t canio_match_id_obj = {
     .base.type = &mp_type_property,
-    .proxy = {(mp_obj_t)&canio_match_address_get_obj,
+    .proxy = {(mp_obj_t)&canio_match_id_get_obj,
               (mp_obj_t)&mp_const_none_obj,
               (mp_obj_t)&mp_const_none_obj},
 };
 
 //|
 //|     mask: int
-//|     """The optional mask of addresses to match"""
+//|     """The optional mask of ids to match"""
 //|
 
 STATIC mp_obj_t canio_match_mask_get(mp_obj_t self_in) {
@@ -108,7 +108,7 @@ const mp_obj_property_t canio_match_mask_obj = {
 };
 
 //|     extended: bool
-//|     """True to match extended addresses, False to match standard addresses"""
+//|     """True to match extended ids, False to match standard ides"""
 //|
 
 STATIC mp_obj_t canio_match_extended_get(mp_obj_t self_in) {
@@ -125,7 +125,7 @@ const mp_obj_property_t canio_match_extended_obj = {
 };
 
 STATIC const mp_rom_map_elem_t canio_match_locals_dict_table[] = {
-    { MP_ROM_QSTR(MP_QSTR_address), MP_ROM_PTR(&canio_match_address_obj) },
+    { MP_ROM_QSTR(MP_QSTR_id), MP_ROM_PTR(&canio_match_id_obj) },
     { MP_ROM_QSTR(MP_QSTR_mask), MP_ROM_PTR(&canio_match_mask_obj) },
     { MP_ROM_QSTR(MP_QSTR_extended), MP_ROM_PTR(&canio_match_extended_obj) },
 };
diff --git a/shared-bindings/canio/Match.h b/shared-bindings/canio/Match.h
index 88996d730f..01a75fd1c6 100644
--- a/shared-bindings/canio/Match.h
+++ b/shared-bindings/canio/Match.h
@@ -31,7 +31,7 @@
 
 extern const mp_obj_type_t canio_match_type;
 
-void common_hal_canio_match_construct(canio_match_obj_t *self, int address, int mask, bool extended);
-int common_hal_canio_match_get_address(const canio_match_obj_t *self);
+void common_hal_canio_match_construct(canio_match_obj_t *self, int id, int mask, bool extended);
+int common_hal_canio_match_get_id(const canio_match_obj_t *self);
 int common_hal_canio_match_get_mask(const canio_match_obj_t *self);
 bool common_hal_canio_match_get_extended(const canio_match_obj_t *self);
diff --git a/shared-module/canio/Match.c b/shared-module/canio/Match.c
index 9e33b956f6..b4e8616e9b 100644
--- a/shared-module/canio/Match.c
+++ b/shared-module/canio/Match.c
@@ -26,14 +26,14 @@
 
 #include "shared-module/canio/Match.h"
 
-void common_hal_canio_match_construct(canio_match_obj_t *self, int address, int mask, bool extended) {
-    self->address = address;
+void common_hal_canio_match_construct(canio_match_obj_t *self, int id, int mask, bool extended) {
+    self->id = id;
     self->mask = mask;
     self->extended = extended;
 }
 
-int common_hal_canio_match_get_address(const canio_match_obj_t *self) {
-    return self->address;
+int common_hal_canio_match_get_id(const canio_match_obj_t *self) {
+    return self->id;
 }
 int common_hal_canio_match_get_mask(const canio_match_obj_t *self) {
     return self->mask;
diff --git a/shared-module/canio/Match.h b/shared-module/canio/Match.h
index 25f047f37e..b52191d7c4 100644
--- a/shared-module/canio/Match.h
+++ b/shared-module/canio/Match.h
@@ -30,7 +30,7 @@
 
 typedef struct {
     mp_obj_base_t base;
-    int address;
+    int id;
     int mask;
     bool extended;
 } canio_match_obj_t;