diff --git a/include/cantera/base/FactoryBase.h b/include/cantera/base/FactoryBase.h
index 64e919d3d..1a2ba656d 100644
--- a/include/cantera/base/FactoryBase.h
+++ b/include/cantera/base/FactoryBase.h
@@ -13,6 +13,7 @@
 #include <mutex>
 #include <unordered_map>
 #include "cantera/base/ctexceptions.h"
+#include "cantera/base/global.h"
 
 namespace Cantera
 {
@@ -72,11 +73,19 @@ public:
 
     //! Create an object using the object construction function corresponding to
     //! "name" and the provided constructor arguments
-    T* create(const std::string& name, Args... args) {
+    T* create(std::string name, Args... args) {
         try {
             return m_creators.at(name)(args...);
         } catch (std::out_of_range&) {
-            throw CanteraError("Factory::create", "No such type: '{}'", name);
+            if (m_synonyms.find(name) != m_synonyms.end()) {
+                return m_creators.at(m_synonyms.at(name))(args...);
+            } else if (m_deprecated_names.find(name) != m_deprecated_names.end()) {
+                warn_deprecated(name,
+                    fmt::format("Use '{}' instead.", m_deprecated_names.at(name)));
+                return m_creators.at(m_deprecated_names.at(name))(args...);
+            } else {
+                throw CanteraError("Factory::create", "No such type: '{}'", name);
+            }
         }
     }
 
@@ -87,6 +96,13 @@ public:
 
 protected:
     std::unordered_map<std::string, std::function<T*(Args...)>> m_creators;
+
+    //! Map of synonyms to canonical names
+    std::unordered_map<std::string, std::string> m_synonyms;
+
+    //! Map of deprecated synonyms to canonical names. Use of these names will
+    //! show a deprecation warning.
+    std::unordered_map<std::string, std::string> m_deprecated_names;
 };
 
 }
diff --git a/src/thermo/ThermoFactory.cpp b/src/thermo/ThermoFactory.cpp
index cd6e55a7f..d0ca945d0 100644
--- a/src/thermo/ThermoFactory.cpp
+++ b/src/thermo/ThermoFactory.cpp
@@ -77,7 +77,7 @@ ThermoFactory::ThermoFactory()
     reg("DebyeHuckel", []() { return new DebyeHuckel(); });
     reg("IdealMolalSolution", []() { return new IdealMolalSoln(); });
     reg("IdealGasVPSS", []() { return new IdealSolnGasVPSS(); });
-    reg("IdealSolnVPSS", []() { return new IdealSolnGasVPSS(); });
+    m_synonyms["IdealGasVPSS"] = "IdealSolnVPSS";
     reg("MineralEQ3", []() { return new MineralEQ3(); });
     reg("MetalSHEelectrons", []() { return new MetalSHEelectrons(); });
     reg("Margules", []() { return new MargulesVPSSTP(); });
@@ -87,7 +87,7 @@ ThermoFactory::ThermoFactory()
     reg("MolarityIonicVPSSTP", []() { return new MolarityIonicVPSSTP(); });
     reg("Redlich-Kister", []() { return new RedlichKisterVPSSTP(); });
     reg("RedlichKwong", []() { return new RedlichKwongMFTP(); });
-    reg("RedlichKwongMFTP", []() { return new RedlichKwongMFTP(); });
+    m_synonyms["RedlichKwongMFTP"] = "RedlichKwong";
     reg("MaskellSolidSolnPhase", []() { return new MaskellSolidSolnPhase(); });
 }
 
diff --git a/src/transport/TransportFactory.cpp b/src/transport/TransportFactory.cpp
index 63309063e..f086a2ee0 100644
--- a/src/transport/TransportFactory.cpp
+++ b/src/transport/TransportFactory.cpp
@@ -45,11 +45,11 @@ public:
 TransportFactory::TransportFactory()
 {
     reg("", []() { return new Transport(); });
-    reg("None", []() { return new Transport(); });
+    m_synonyms["None"] = "";
     reg("Mix", []() { return new MixTransport(); });
     reg("Multi", []() { return new MultiTransport(); });
-    reg("CK_Mix", []() { return new MixTransport(); });
-    reg("CK_Multi", []() { return new MultiTransport(); });
+    m_synonyms["CK_Mix"] = "Mix";
+    m_synonyms["CK_Multi"] = "Multi";
     reg("HighP", []() { return new HighPressureGasTransport(); });
     m_CK_mode["CK_Mix"] = true;
     m_CK_mode["CK_Multi"] = true;