Index: binaries/data/mods/public/gamesettings/attributes/PlayerName.js
===================================================================
--- binaries/data/mods/public/gamesettings/attributes/PlayerName.js
+++ binaries/data/mods/public/gamesettings/attributes/PlayerName.js
@@ -66,6 +66,7 @@
 	 */
 	pickRandomItems()
 	{
+		let botPlayerNamesList = [];
 		let picked = false;
 		for (let i in this.values)
 		{
@@ -82,22 +83,31 @@
 				continue;
 
 			picked = true;
-			// Pick one of the available botnames for the chosen civ
-			// Determine botnames
-			let chosenName = pickRandom(this.settings.civData[civ].AINames);
-			if (!this.settings.isNetworked)
-				chosenName = translate(chosenName);
-
-			// Count how many players use the chosenName
-			let usedName = this.values.filter(oName => oName && oName.indexOf(chosenName) !== -1).length;
-
-			this.values[i] =
-				usedName ?
-					sprintf(this.RomanLabel, {
-						"playerName": chosenName,
-						"romanNumber": this.RomanNumbers[usedName + 1]
-					}) :
-					chosenName;
+			// Pick a botname for the chosen civ
+
+			const names = this.settings.civData[civ].AINames;
+			const remainingNames = names.filter(name => this.values.indexOf(name) === -1);
+			const chosenName = pickRandom(remainingNames.length ? remainingNames : names);
+			
+			if (!remainingNames.length)
+				warn (`Insufficient AINames available in ${civ} to avoid duplication.`);
+				
+			botPlayerNamesList.push(chosenName);
+			
+			//Avoid translating AI names if the game is networked. Closes #3307.
+			const label = this.settings.isNetworked ? this.CountLabel : translate(this.CountLabel);
+			
+			// Translation: the name of an AI-controlled player
+			const translatedChosenName = this.settings.isNetworked ? chosenName : translate(chosenName);
+
+			// Count how many AI-controlled players use the chosenName
+			const count = botPlayerNamesList.filter(name => name == chosenName).length;
+
+			this.values[i] = !count ? translatedChosenName :
+				sprintf(label, {
+					"playerName": translatedChosenName,
+					"nameCount": count + 1
+				});
 		}
 		if (picked)
 			this.trigger("values");
@@ -128,9 +138,6 @@
 	}
 };
 
-
-GameSettings.prototype.Attributes.PlayerName.prototype.RomanLabel =
-	translate("%(playerName)s %(romanNumber)s");
-
-GameSettings.prototype.Attributes.PlayerName.prototype.RomanNumbers =
-	[undefined, "I", "II", "III", "IV", "V", "VI", "VII", "VIII"];
+// Translation: CountLabel is a template (sprintf format specifier) for the name of an AI-controlled player and a unique number for each of the players wtih a duplicate name.
+GameSettings.prototype.Attributes.PlayerName.prototype.CountLabel =
+	markForTranslation("%(playerName)s (%(nameCount)i)");
Index: binaries/data/mods/public/gui/credits/texts/programming.json
===================================================================
--- binaries/data/mods/public/gui/credits/texts/programming.json
+++ binaries/data/mods/public/gui/credits/texts/programming.json
@@ -290,6 +290,7 @@
 				{ "nick": "tpearson", "name": "Timothy Pearson" },
 				{ "nick": "user1", "name": "A. C." },
 				{ "nick": "usey11" },
+				{ "nick": "Vantha"},
 				{ "nick": "vincent_c", "name": "Vincent Cheng" },
 				{ "nick": "vinhig", "name": "Vincent Higginson" },
 				{ "nick": "vladislavbelov", "name": "Vladislav Belov" },
Index: binaries/data/mods/public/simulation/data/civs/gaul.json
===================================================================
--- binaries/data/mods/public/simulation/data/civs/gaul.json
+++ binaries/data/mods/public/simulation/data/civs/gaul.json
@@ -64,6 +64,7 @@
 		"Divico",
 		"Ambiorix",
 		"Liscus",
+		"Orgetorix",
 		"Valetiacus",
 		"Viridovix"
 	],
Index: binaries/data/mods/public/simulation/data/civs/iber.json
===================================================================
--- binaries/data/mods/public/simulation/data/civs/iber.json
+++ binaries/data/mods/public/simulation/data/civs/iber.json
@@ -61,8 +61,12 @@
 	],
 	"AINames": [
 		"Audax",
+		"Calcus",
 		"Ditalcus",
 		"Minurus",
+		"Olyndicus",
+		"Orison",
+		"Tanginus",
 		"Tautalus"
 	],
 	"SkirmishReplacements": {
Index: binaries/data/mods/public/simulation/data/civs/maur.json
===================================================================
--- binaries/data/mods/public/simulation/data/civs/maur.json
+++ binaries/data/mods/public/simulation/data/civs/maur.json
@@ -55,12 +55,14 @@
 	],
 	"AINames": [
 		"Bindusara Maurya",
+		"Brihadratha Maurya",
 		"Dasharatha Maurya",
+		"Devavarman Maurya",
+		"Kunala Maurya",
 		"Samprati Maurya",
 		"Shalishuka Maurya",
-		"Devavarman Maurya",
 		"Shatadhanvan Maurya",
-		"Brihadratha Maurya"
+		"Tivala Maurya"
 	],
 	"SkirmishReplacements": {
 		"skirmish/units/default_infantry_ranged_b": "units/maur/infantry_archer_b",