"Dufresne" meaning in French

{
  "etymology_text": "From frêne (“ash tree”), written fresne in Old French.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Dufresne ?",
      "name": "fr-proper noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French surnames",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a surname"
      ],
      "id": "en-Dufresne-fr-name-v2O7m9sM",
      "links": [
        [
          "surname",
          "surname"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dy.fʁɛn/"
    }
  ],
  "word": "Dufresne"
}

{
  "etymology_text": "From frêne (“ash tree”), written fresne in Old French.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Dufresne ?",
      "name": "fr-proper noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "French 2-syllable words",
        "French entries with incorrect language header",
        "French lemmas",
        "French proper nouns",
        "French surnames",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "Requests for gender in French entries"
      ],
      "glosses": [
        "a surname"
      ],
      "links": [
        [
          "surname",
          "surname"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dy.fʁɛn/"
    }
  ],
  "word": "Dufresne"
}