JSFiddle - React, Tailwind, and code Playground

JavaScript

var data = [{
	Name: "DM Measure Group",
	TableName: "M_DMGroup",
    "type": "Group",
	"Field_Name":"HGBA1C",
},
{
	Name: "DM Measure Group",
	TableName: "M_DMGroup",
    "type": "Group",
	"Field_Name":"HGBA1D",
}];

function GetUniqueTablesCategory(data) {
  return _.uniq(_.map(data, function(d){return d.Name}));
}

alert(GetUniqueTablesCategory(data));