diff --git a/src/components/fx/hover.js b/src/components/fx/hover.js
index 0643c004bcd..8e027ad3d6b 100644
--- a/src/components/fx/hover.js
+++ b/src/components/fx/hover.js
@@ -888,7 +888,17 @@ function createHoverText(hoverData, opts) {
     var xa = c0.xa;
     var ya = c0.ya;
     var axLetter = hovermode.charAt(0);
-    var t0 = c0[axLetter + 'Label'];
+    var axLabel = axLetter + 'Label';
+    var t0 = c0[axLabel];
+
+    // search in array for the label
+    if(t0 === undefined && xa.type === 'multicategory') {
+        for(var q = 0; q < hoverData.length; q++) {
+            t0 = hoverData[q][axLabel];
+            if(t0 !== undefined) break;
+        }
+    }
+
     var outerContainerBB = getBoundingClientRect(gd, outerContainer);
     var outerTop = outerContainerBB.top;
     var outerWidth = outerContainerBB.width;
@@ -2067,7 +2077,7 @@ function getCoord(axLetter, winningPoint, fullLayout) {
 
     var cd0 = winningPoint.cd[0];
 
-    if(ax.type === 'category') val = ax._categoriesMap[val];
+    if(ax.type === 'category' || ax.type === 'multicategory') val = ax._categoriesMap[val];
     else if(ax.type === 'date') {
         var periodalignment = winningPoint.trace[axLetter + 'periodalignment'];
         if(periodalignment) {
diff --git a/test/image/baselines/zz-multicategory_series.png b/test/image/baselines/zz-multicategory_series.png
new file mode 100644
index 00000000000..929a6e99e07
Binary files /dev/null and b/test/image/baselines/zz-multicategory_series.png differ
diff --git a/test/image/mocks/zz-multicategory_series.json b/test/image/mocks/zz-multicategory_series.json
new file mode 100644
index 00000000000..274004328f0
--- /dev/null
+++ b/test/image/mocks/zz-multicategory_series.json
@@ -0,0 +1,923 @@
+{
+  "data": [
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#FF0000"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
+      ],
+      "y": [
+        7329.2314, 7370.159, 7418.1772, 7423.114, 7400.379, 7368.819, 7355.531,
+        7338.7295, 7328.453, 7289.163, 7273.9224, 7267.61, 7286.2393
+      ],
+      "name": "B - 3",
+      "yaxis": "y2",
+      "legendgroup": "B - 3"
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#008CFF"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
+      ],
+      "y": [
+        7329.453, 7370.3438, 7418.268, 7423.7246, 7400.6587, 7369.186,
+        7355.7446, 7338.8003, 7328.5127, 7289.2207, 7273.879, 7267.8364,
+        7286.3647
+      ],
+      "name": "A - 3",
+      "yaxis": "y2",
+      "legendgroup": "A - 3"
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#00E500"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
+      ],
+      "y": [
+        7329.1943, 7370.121, 7418.1143, 7422.937, 7400.1943, 7368.6416,
+        7355.457, 7338.6655, 7328.3965, 7289.115, 7273.6577, 7267.5703,
+        7286.2065
+      ],
+      "name": "B - 4",
+      "yaxis": "y2",
+      "legendgroup": "B - 4"
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#FFA500"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
+      ],
+      "y": [
+        7329.4253, 7370.311, 7418.2207, 7423.594, 7400.5195, 7369.057, 7355.675,
+        7338.752, 7328.4697, 7289.187, 7273.6816, 7267.807, 7286.3403
+      ],
+      "name": "A - 4",
+      "yaxis": "y2",
+      "legendgroup": "A - 4"
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
+      ],
+      "y": [255, 260, 255, 240, 225, 220, 215, 215, 217, 220, 225, 232, 240],
+      "name": "vCar",
+      "yaxis": "y",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "",
+      "x": [
+        [
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
+      ],
+      "y": [255, 260, 255, 240, 225, 220, 215, 215, 217, 220, 225, 232, 240],
+      "name": "A - 3",
+      "yaxis": "y",
+      "legendgroup": "A - 3",
+      "hoverinfo": "none",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "",
+      "x": [
+        [
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
+      ],
+      "y": [255, 260, 255, 240, 225, 220, 215, 215, 217, 220, 225, 232, 240],
+      "name": "B - 4",
+      "yaxis": "y",
+      "legendgroup": "B - 4",
+      "hoverinfo": "none",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "",
+      "x": [
+        [
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High",
+          "High"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
+      ],
+      "y": [255, 260, 255, 240, 225, 220, 215, 215, 217, 220, 225, 232, 240],
+      "name": "A - 4",
+      "yaxis": "y",
+      "legendgroup": "A - 4",
+      "hoverinfo": "none",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#FF0000"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]
+      ],
+      "y": [
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+        7164.351, 7189.4263, 7226.21, 7248.6665
+      ],
+      "name": "B - 3",
+      "yaxis": "y2",
+      "legendgroup": "B - 3",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#008CFF"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]
+      ],
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+        7159.8203, 7164.152, 7189.498, 7226.2725, 7248.7397
+      ],
+      "name": "A - 3",
+      "yaxis": "y2",
+      "legendgroup": "A - 3",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#00E500"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]
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+        7154.8164, 7159.641, 7164.187, 7189.389, 7226.175, 7248.6304
+      ],
+      "name": "B - 4",
+      "yaxis": "y2",
+      "legendgroup": "B - 4",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#FFA500"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]
+      ],
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+        7159.7876, 7164.0176, 7189.47, 7226.246, 7248.713
+      ],
+      "name": "A - 4",
+      "yaxis": "y2",
+      "legendgroup": "A - 4",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]
+      ],
+      "y": [
+        290, 292, 282, 245, 205, 190, 175, 160, 150, 140, 140, 145, 155, 165,
+        175, 187, 200, 215
+      ],
+      "name": "vCar",
+      "yaxis": "y",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "",
+      "x": [
+        [
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]
+      ],
+      "y": [
+        290, 292, 282, 245, 205, 190, 175, 160, 150, 140, 140, 145, 155, 165,
+        175, 187, 200, 215
+      ],
+      "name": "A - 3",
+      "yaxis": "y",
+      "legendgroup": "A - 3",
+      "hoverinfo": "none",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "",
+      "x": [
+        [
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium"
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+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]
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+      "y": [
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+        175, 187, 200, 215
+      ],
+      "name": "B - 4",
+      "yaxis": "y",
+      "legendgroup": "B - 4",
+      "hoverinfo": "none",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "",
+      "x": [
+        [
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium",
+          "Medium"
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+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17]
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+      "y": [
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+        175, 187, 200, 215
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+      "name": "A - 4",
+      "yaxis": "y",
+      "legendgroup": "A - 4",
+      "hoverinfo": "none",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#FF0000"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
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+          "Low",
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+      "name": "B - 3",
+      "yaxis": "y2",
+      "legendgroup": "B - 3",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#008CFF"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
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+      "yaxis": "y2",
+      "legendgroup": "A - 3",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#00E500"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
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+          "Low",
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+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
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+      "name": "B - 4",
+      "yaxis": "y2",
+      "legendgroup": "B - 4",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "solid",
+        "shape": "spline",
+        "color": "#FFA500"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low"
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+      "yaxis": "y2",
+      "legendgroup": "A - 4",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "%{y:.2f}    ",
+      "x": [
+        [
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
+      ],
+      "y": [295, 300, 275, 240, 195, 155, 120, 100, 80, 75, 90, 115],
+      "name": "vCar",
+      "yaxis": "y",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "",
+      "x": [
+        [
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
+      ],
+      "y": [295, 300, 275, 240, 195, 155, 120, 100, 80, 75, 90, 115],
+      "name": "A - 3",
+      "yaxis": "y",
+      "legendgroup": "A - 3",
+      "hoverinfo": "none",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "",
+      "x": [
+        [
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
+      ],
+      "y": [295, 300, 275, 240, 195, 155, 120, 100, 80, 75, 90, 115],
+      "name": "B - 4",
+      "yaxis": "y",
+      "legendgroup": "B - 4",
+      "hoverinfo": "none",
+      "showlegend": false
+    },
+    {
+      "type": "scatter",
+      "mode": "lines",
+      "line": {
+        "dash": "dot",
+        "shape": "spline",
+        "color": "#737373"
+      },
+      "hovertemplate": "",
+      "x": [
+        [
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low",
+          "Low"
+        ],
+        [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
+      ],
+      "y": [295, 300, 275, 240, 195, 155, 120, 100, 80, 75, 90, 115],
+      "name": "A - 4",
+      "yaxis": "y",
+      "legendgroup": "A - 4",
+      "hoverinfo": "none",
+      "showlegend": false
+    }
+  ],
+  "layout": {
+    "autosize": true,
+    "margin": {
+      "t": 40
+    },
+    "legend": {
+      "x": 0.5,
+      "xanchor": "center",
+      "yanchor": "top",
+      "orientation": "h",
+      "bgcolor": "transparent",
+      "font": {
+        "size": 10
+      }
+    },
+    "hovermode": "x unified",
+    "title": {
+      "text": "Multicategory Mock"
+    },
+    "xaxis": {
+      "visible": false,
+      "range": [0, 42],
+      "autorange": true,
+      "type": "multicategory"
+    },
+    "yaxis": {
+      "range": [62.5, 312.5],
+      "anchor": "x",
+      "side": "right",
+      "type": "linear"
+    },
+    "yaxis2": {
+      "range": [6150, 7451.09375],
+      "type": "linear",
+      "side": "left",
+      "overlaying": "y"
+    },
+    "showlegend": true
+  }
+}
diff --git a/test/jasmine/tests/hover_label_test.js b/test/jasmine/tests/hover_label_test.js
index a2064d33db1..4b5f6b61c84 100644
--- a/test/jasmine/tests/hover_label_test.js
+++ b/test/jasmine/tests/hover_label_test.js
@@ -2640,6 +2640,32 @@ describe('Hover on multicategory axes', function() {
         })
         .then(done, done.fail);
     });
+
+    it('should work with series', function(done) {
+        var fig = Lib.extendDeep({}, require('@mocks/zz-multicategory_series.json'));
+        fig.data = [fig.data[0]];
+        fig.layout.width = 500;
+        fig.layout.height = 500;
+
+        Plotly.newPlot(gd, fig)
+        .then(function() {
+            gd.on('plotly_hover', function(d) {
+                eventData = d.points[0];
+            });
+        })
+        .then(function() { _hover(200, 200); })
+        .then(function() {
+            expect(eventData.x).toEqual(['High', 4]);
+        })
+        .then(function() {
+            return Plotly.restyle(gd, 'hovertemplate', '%{z} @ %{x} | %{y}');
+        })
+        .then(function() { _hover(200, 200); })
+        .then(function() {
+            expect(eventData.x).toEqual(['High', 4]);
+        })
+        .then(done, done.fail);
+    });
 });
 
 describe('hover on traces with (x|y)period positioning', function() {