diff --git a/Projects/Server.Tests/Utility/TestStringHelpers.cs b/Projects/Server.Tests/Utility/TestStringHelpers.cs
index df5c2151d..7570fb722 100644
--- a/Projects/Server.Tests/Utility/TestStringHelpers.cs
+++ b/Projects/Server.Tests/Utility/TestStringHelpers.cs
@@ -10,7 +10,7 @@ namespace Server.Tests
         [InlineData("this is a valid string", "default value", "this is a valid string")]
         public void TestIsNullOrDefault(string value, string defaultValue, string expected)
         {
-            var actual = value.IsNullOrDefault(defaultValue);
+            var actual = value.DefaultIfNullOrEmpty(defaultValue);
 
             Assert.Equal(expected, actual);
         }
diff --git a/Projects/Server/Utilities/Utility.cs b/Projects/Server/Utilities/Utility.cs
index 60c092fed..8529aaa53 100644
--- a/Projects/Server/Utilities/Utility.cs
+++ b/Projects/Server/Utilities/Utility.cs
@@ -124,7 +124,7 @@ namespace Server
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static string IsNullOrDefault(this string value, string def) => value?.Length > 0 ? value : def;
+        public static string DefaultIfNullOrEmpty(this string value, string def) => value?.Length > 0 ? value : def;
 
         public static IPAddress Intern(IPAddress ipAddress)
         {
diff --git a/Projects/UOContent/Commands/Logging.cs b/Projects/UOContent/Commands/Logging.cs
index 73fa30833..7a60118f1 100644
--- a/Projects/UOContent/Commands/Logging.cs
+++ b/Projects/UOContent/Commands/Logging.cs
@@ -120,7 +120,7 @@ namespace Server.Commands
                 return "null";
             }
 
-            ip = ip.Trim().IsNullOrDefault("empty");
+            ip = ip.Trim().DefaultIfNullOrEmpty("empty");
 
             var isSafe = true;
 
diff --git a/Projects/UOContent/Engines/Chat/Channel.cs b/Projects/UOContent/Engines/Chat/Channel.cs
index 5d8a22e61..7bf8c5c5d 100644
--- a/Projects/UOContent/Engines/Chat/Channel.cs
+++ b/Projects/UOContent/Engines/Chat/Channel.cs
@@ -39,7 +39,7 @@ namespace Server.Engines.Chat
         public string Password
         {
             get => m_Password;
-            set => m_Password = value?.Trim().IsNullOrDefault(null);
+            set => m_Password = (value?.Trim()).DefaultIfNullOrEmpty(null);
         }
 
         public bool VoiceRestricted
diff --git a/Projects/UOContent/Engines/Chat/ChatActionHandlers.cs b/Projects/UOContent/Engines/Chat/ChatActionHandlers.cs
index 06b1887d2..c2d556efa 100644
--- a/Projects/UOContent/Engines/Chat/ChatActionHandlers.cs
+++ b/Projects/UOContent/Engines/Chat/ChatActionHandlers.cs
@@ -204,7 +204,7 @@ namespace Server.Engines.Chat
                 }
             }
 
-            password = password?.Trim().IsNullOrDefault(null);
+            password = (password?.Trim()).DefaultIfNullOrEmpty(null);
 
             var joined = Channel.FindChannelByName(name);
 
@@ -246,7 +246,7 @@ namespace Server.Engines.Chat
                 name = param;
             }
 
-            password = password?.Trim().IsNullOrDefault(null);
+            password = (password?.Trim()).DefaultIfNullOrEmpty(null);
 
             Channel.AddChannel(name, password).AddUser(from, password);
         }
diff --git a/Projects/UOContent/Engines/ConPVP/Games/KingOfTheHill.cs b/Projects/UOContent/Engines/ConPVP/Games/KingOfTheHill.cs
index dd796fe41..de58ce944 100644
--- a/Projects/UOContent/Engines/ConPVP/Games/KingOfTheHill.cs
+++ b/Projects/UOContent/Engines/ConPVP/Games/KingOfTheHill.cs
@@ -262,7 +262,7 @@ namespace Server.Engines.ConPVP
 
                 if (m_Counter >= m_Hill.ScoreInterval)
                 {
-                    var hill = m_Hill.Name.IsNullOrDefault("the hill");
+                    var hill = m_Hill.Name.DefaultIfNullOrEmpty("the hill");
                     var king = m_Hill.King.Name ?? "";
 
                     m_Hill.Game.Alert("{0} ({1}) is king of {2}!", king, ti.Name, hill);
diff --git a/Projects/UOContent/Gumps/BanDurationGump.cs b/Projects/UOContent/Gumps/BanDurationGump.cs
index 0077a4a62..edec1f4c2 100644
--- a/Projects/UOContent/Gumps/BanDurationGump.cs
+++ b/Projects/UOContent/Gumps/BanDurationGump.cs
@@ -223,7 +223,7 @@ namespace Server.Gumps
 
             if (shouldSet)
             {
-                var comment = c?.Text.Trim().IsNullOrDefault(null);
+                var comment = c?.Text.Trim().DefaultIfNullOrEmpty(null);
 
                 for (var i = 0; i < m_List.Count; ++i)
                 {
diff --git a/Projects/UOContent/Gumps/Guilds/GuildGump.cs b/Projects/UOContent/Gumps/Guilds/GuildGump.cs
index 59e8b3c4b..cfbe72cb1 100644
--- a/Projects/UOContent/Gumps/Guilds/GuildGump.cs
+++ b/Projects/UOContent/Gumps/Guilds/GuildGump.cs
@@ -26,7 +26,7 @@ namespace Server.Gumps
             if (leader != null)
             {
                 var leadTitle = leader.GuildTitle?.Trim();
-                var leadName = leader.Name?.Trim().IsNullOrDefault("(empty)");
+                var leadName = (leader.Name?.Trim()).DefaultIfNullOrEmpty("(empty)");
                 var text = leadTitle?.Length > 0 ? $"{leadTitle}: {leadName}" : leadName;
 
                 AddHtml(220, 15, 250, 35, text);
@@ -44,7 +44,7 @@ namespace Server.Gumps
 
             fealty ??= beholder;
 
-            var fealtyName = fealty.Name?.Trim().IsNullOrDefault("(empty)");
+            var fealtyName = (fealty.Name?.Trim()).DefaultIfNullOrEmpty("(empty)");
 
             if (beholder == fealty)
             {
diff --git a/Projects/UOContent/Gumps/Guilds/New Guild System/GuildInfoGump.cs b/Projects/UOContent/Gumps/Guilds/New Guild System/GuildInfoGump.cs
index 81fcb2509..2315edd33 100644
--- a/Projects/UOContent/Gumps/Guilds/New Guild System/GuildInfoGump.cs	
+++ b/Projects/UOContent/Gumps/Guilds/New Guild System/GuildInfoGump.cs	
@@ -60,7 +60,7 @@ namespace Server.Guilds
 
             AddImageTiled(65, 196, 480, 4, 0x238D);
 
-            var s = guild.Charter.IsNullOrDefault("The guild leader has not yet set the guild charter.");
+            var s = guild.Charter.DefaultIfNullOrEmpty("The guild leader has not yet set the guild charter.");
 
             AddHtml(65, 216, 480, 80, s, true, true);
             if (isLeader)
@@ -68,7 +68,7 @@ namespace Server.Guilds
                 AddButton(40, 251, 0x4B9, 0x4BA, 4); // Charter Edit button
             }
 
-            s = guild.Website.IsNullOrDefault("Guild website not yet set.");
+            s = guild.Website.DefaultIfNullOrEmpty("Guild website not yet set.");
 
             AddHtml(65, 306, 480, 30, s, true);
             if (isLeader)
diff --git a/Projects/UOContent/Gumps/HouseGumpAOS.cs b/Projects/UOContent/Gumps/HouseGumpAOS.cs
index 2b9ce8c9c..adf139346 100644
--- a/Projects/UOContent/Gumps/HouseGumpAOS.cs
+++ b/Projects/UOContent/Gumps/HouseGumpAOS.cs
@@ -569,7 +569,7 @@ namespace Server.Gumps
         {
             var m = m_House.Owner;
 
-            return m?.Deleted != false ? "(unowned)" : m.Name.Trim().IsNullOrDefault("(no name)");
+            return m?.Deleted != false ? "(unowned)" : m.Name.Trim().DefaultIfNullOrEmpty("(no name)");
         }
 
         private string GetDateTime(DateTime val) =>
diff --git a/Projects/UOContent/Gumps/WhoGump.cs b/Projects/UOContent/Gumps/WhoGump.cs
index daff5f958..b405affa4 100644
--- a/Projects/UOContent/Gumps/WhoGump.cs
+++ b/Projects/UOContent/Gumps/WhoGump.cs
@@ -93,7 +93,7 @@ namespace Server.Gumps
 
         public static List<Mobile> BuildList(Mobile owner, string rawFilter)
         {
-            var filter = rawFilter.Trim().ToLower().IsNullOrDefault(null);
+            var filter = rawFilter.Trim().ToLower().DefaultIfNullOrEmpty(null);
 
             var list = new List<Mobile>();
             var states = TcpServer.Instances;
diff --git a/Projects/UOContent/Items/Misc/PlayerBulletinBoards.cs b/Projects/UOContent/Items/Misc/PlayerBulletinBoards.cs
index ffeed4382..e5404814a 100644
--- a/Projects/UOContent/Items/Misc/PlayerBulletinBoards.cs
+++ b/Projects/UOContent/Items/Misc/PlayerBulletinBoards.cs
@@ -439,7 +439,7 @@ namespace Server.Items
                 AddHtml(255, 180, 150, 20, message.Time.ToString("yyyy-MM-dd HH:mm:ss"));
 
                 var poster = message.Poster;
-                var name = poster?.Name?.Trim().IsNullOrDefault("Someone");
+                var name = (poster?.Name?.Trim()).DefaultIfNullOrEmpty("Someone");
 
                 AddHtml(255, 200, 150, 20, name);
 
diff --git a/Projects/UOContent/Items/Skill Items/Magical/Misc/RecallRune.cs b/Projects/UOContent/Items/Skill Items/Magical/Misc/RecallRune.cs
index d723710ea..0224ebaa3 100644
--- a/Projects/UOContent/Items/Skill Items/Magical/Misc/RecallRune.cs	
+++ b/Projects/UOContent/Items/Skill Items/Magical/Misc/RecallRune.cs	
@@ -182,7 +182,7 @@ namespace Server.Items
                 {
                     var sign = m_House.Sign;
 
-                    m_Description = sign?.Name?.Trim().IsNullOrDefault("an unnamed house");
+                    m_Description = (sign?.Name?.Trim()).DefaultIfNullOrEmpty("an unnamed house");
 
                     setDesc = true;
 
@@ -257,7 +257,7 @@ namespace Server.Items
         {
             if (m_Marked)
             {
-                var desc = m_Description?.Trim().IsNullOrDefault("an unknown location");
+                var desc = (m_Description?.Trim()).DefaultIfNullOrEmpty("an unknown location");
 
                 if (m_TargetMap == Map.Tokuno)
                 {
diff --git a/Projects/UOContent/Items/Skill Items/Magical/Runebook.cs b/Projects/UOContent/Items/Skill Items/Magical/Runebook.cs
index 1db34f331..1d518b42a 100644
--- a/Projects/UOContent/Items/Skill Items/Magical/Runebook.cs	
+++ b/Projects/UOContent/Items/Skill Items/Magical/Runebook.cs	
@@ -416,7 +416,7 @@ namespace Server.Items
 
                         from.Send(new PlaySound(0x42, GetWorldLocation()));
 
-                        from.SendMessage(rune.Description?.Trim().IsNullOrDefault("(indescript)"));
+                        from.SendMessage((rune.Description?.Trim()).DefaultIfNullOrEmpty("(indescript)"));
 
                         return true;
                     }
diff --git a/Projects/UOContent/Items/Special/Solen Items/BallOfSummoning.cs b/Projects/UOContent/Items/Special/Solen Items/BallOfSummoning.cs
index f589a1058..e6f638a6a 100644
--- a/Projects/UOContent/Items/Special/Solen Items/BallOfSummoning.cs	
+++ b/Projects/UOContent/Items/Special/Solen Items/BallOfSummoning.cs	
@@ -89,7 +89,7 @@ namespace Server.Items
         {
             list.Add(
                 1054131,
-                $"{m_Charges}\t{PetName.IsNullOrDefault(" ")}"
+                $"{m_Charges}\t{PetName.DefaultIfNullOrEmpty(" ")}"
             ); // a crystal ball of pet summoning: [charges: ~1_charges~] : [linked pet: ~2_petName~]
         }
 
@@ -98,7 +98,7 @@ namespace Server.Items
             LabelTo(
                 from,
                 1054131,
-                $"{m_Charges}\t{PetName.IsNullOrDefault(" ")}"
+                $"{m_Charges}\t{PetName.DefaultIfNullOrEmpty(" ")}"
             ); // a crystal ball of pet summoning: [charges: ~1_charges~] : [linked pet: ~2_petName~]
         }
 
diff --git a/Projects/UOContent/Items/Special/Solen Items/BraceletOfBinding.cs b/Projects/UOContent/Items/Special/Solen Items/BraceletOfBinding.cs
index 172d21d29..647925585 100644
--- a/Projects/UOContent/Items/Special/Solen Items/BraceletOfBinding.cs	
+++ b/Projects/UOContent/Items/Special/Solen Items/BraceletOfBinding.cs	
@@ -93,7 +93,7 @@ namespace Server.Items
         {
             list.Add(
                 1054000,
-                $"{m_Charges}\t{m_Inscription.IsNullOrDefault(" ")}"
+                $"{m_Charges}\t{m_Inscription.DefaultIfNullOrEmpty(" ")}"
             ); // a bracelet of binding : ~1_val~ ~2_val~
         }
 
@@ -102,7 +102,7 @@ namespace Server.Items
             LabelTo(
                 from,
                 1054000,
-                $"{m_Charges}\t{m_Inscription.IsNullOrDefault(" ")}"
+                $"{m_Charges}\t{m_Inscription.DefaultIfNullOrEmpty(" ")}"
             ); // a bracelet of binding : ~1_val~ ~2_val~
         }
 
diff --git a/Projects/UOContent/Mobiles/Vendors/PlayerVendor.cs b/Projects/UOContent/Mobiles/Vendors/PlayerVendor.cs
index 0310e8a6d..cebb4bbe2 100644
--- a/Projects/UOContent/Mobiles/Vendors/PlayerVendor.cs
+++ b/Projects/UOContent/Mobiles/Vendors/PlayerVendor.cs
@@ -966,7 +966,7 @@ namespace Server.Mobiles
                 return;
             }
 
-            var name = item.Name.IsNullOrDefault($"#{item.LabelNumber}");
+            var name = item.Name.DefaultIfNullOrEmpty($"#{item.LabelNumber}");
 
             from.SendLocalizedMessage(1043303, name); // Type in a price and description for ~1_ITEM~ (ESC=not for sale)
             from.Prompt = new VendorPricePrompt(this, vi);
diff --git a/Projects/UOContent/Multis/Boats/BaseBoat.cs b/Projects/UOContent/Multis/Boats/BaseBoat.cs
index 1d5ace8c1..4cc345ba1 100644
--- a/Projects/UOContent/Multis/Boats/BaseBoat.cs
+++ b/Projects/UOContent/Multis/Boats/BaseBoat.cs
@@ -696,7 +696,7 @@ namespace Server.Multis
                 return;
             }
 
-            Rename(newName.Trim().IsNullOrDefault(null));
+            Rename(newName.Trim().DefaultIfNullOrEmpty(null));
         }
 
         public DryDockResult CheckDryDock(Mobile from)
@@ -859,7 +859,7 @@ namespace Server.Multis
 
             if (e.Speech.Length > 8)
             {
-                Rename(e.Speech.Substring(8).Trim().IsNullOrDefault(null));
+                Rename(e.Speech.Substring(8).Trim().DefaultIfNullOrEmpty(null));
             }
         }