"Gilliam" meaning in English

{
  "etymology_text": "From a medieval variant of the given name William.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Gilliam",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English surnames",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "Gilliam County"
        },
        {
          "word": "Gilliamesque"
        }
      ],
      "glosses": [
        "A surname originating as a patronymic."
      ],
      "id": "en-Gilliam-en-name-Xs1vzbdd",
      "links": [
        [
          "surname",
          "surname"
        ]
      ]
    }
  ],
  "word": "Gilliam"
}

{
  "derived": [
    {
      "word": "Gilliam County"
    },
    {
      "word": "Gilliamesque"
    }
  ],
  "etymology_text": "From a medieval variant of the given name William.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Gilliam",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English proper nouns",
        "English surnames",
        "English surnames from patronymics",
        "English uncountable nouns",
        "Pages with 1 entry"
      ],
      "glosses": [
        "A surname originating as a patronymic."
      ],
      "links": [
        [
          "surname",
          "surname"
        ]
      ]
    }
  ],
  "word": "Gilliam"
}