"Thorlacius" meaning in Icelandic

{
  "etymology_text": "A Latin adjective derived from Þorlákur.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "proper noun"
      },
      "expansion": "Thorlacius",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Icelandic surnames",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a surname"
      ],
      "id": "en-Thorlacius-is-name-v2O7m9sM",
      "links": [
        [
          "surname",
          "surname"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtʰɔrlaˌsiːjʏs/"
    },
    {
      "rhymes": "-iːjʏs"
    }
  ],
  "word": "Thorlacius"
}

{
  "etymology_text": "A Latin adjective derived from Þorlákur.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "proper noun"
      },
      "expansion": "Thorlacius",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Icelandic 4-syllable words",
        "Icelandic entries with incorrect language header",
        "Icelandic lemmas",
        "Icelandic proper nouns",
        "Icelandic surnames",
        "Icelandic terms spelled with C",
        "Icelandic terms with IPA pronunciation",
        "Rhymes:Icelandic/iːjʏs"
      ],
      "glosses": [
        "a surname"
      ],
      "links": [
        [
          "surname",
          "surname"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtʰɔrlaˌsiːjʏs/"
    },
    {
      "rhymes": "-iːjʏs"
    }
  ],
  "word": "Thorlacius"
}