"Ó Maoldúin" meaning in Irish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "Muldoon"
          },
          "expansion": "English: Muldoon",
          "name": "desc"
        }
      ],
      "text": "English: Muldoon"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "Ó",
        "3": "Maoldúin"
      },
      "expansion": "Ó + Maoldúin",
      "name": "affix"
    }
  ],
  "etymology_text": "Ó + Maoldúin",
  "forms": [
    {
      "form": "Uí Mhaoldúin",
      "tags": [
        "genitive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "10": "",
        "2": "proper noun",
        "3": "genitive",
        "4": "Uí Mhaoldúin",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "9": "",
        "f1request": "1",
        "f4request": "1",
        "g": "m",
        "g2": "",
        "g3": "",
        "head": ""
      },
      "expansion": "Ó Maoldúin m (genitive Uí Mhaoldúin)",
      "name": "head"
    },
    {
      "args": {
        "1": "m",
        "2": "Uí Mhaoldúin"
      },
      "expansion": "Ó Maoldúin m (genitive Uí Mhaoldúin)",
      "name": "ga-proper noun"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Irish male surnames",
          "parents": [
            "Male surnames",
            "Surnames",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Irish 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 male surname originating as a patronymic, feminine equivalent Ní Mhaoldúin, equivalent to English Muldoon"
      ],
      "id": "en-Ó_Maoldúin-ga-name-MiX8IW0U",
      "links": [
        [
          "surname",
          "surname"
        ],
        [
          "Ní Mhaoldúin",
          "Ní Mhaoldúin#Irish"
        ],
        [
          "Muldoon",
          "Muldoon#English"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "Ó Maoldúin"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "en",
            "2": "Muldoon"
          },
          "expansion": "English: Muldoon",
          "name": "desc"
        }
      ],
      "text": "English: Muldoon"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "Ó",
        "3": "Maoldúin"
      },
      "expansion": "Ó + Maoldúin",
      "name": "affix"
    }
  ],
  "etymology_text": "Ó + Maoldúin",
  "forms": [
    {
      "form": "Uí Mhaoldúin",
      "tags": [
        "genitive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "10": "",
        "2": "proper noun",
        "3": "genitive",
        "4": "Uí Mhaoldúin",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "9": "",
        "f1request": "1",
        "f4request": "1",
        "g": "m",
        "g2": "",
        "g3": "",
        "head": ""
      },
      "expansion": "Ó Maoldúin m (genitive Uí Mhaoldúin)",
      "name": "head"
    },
    {
      "args": {
        "1": "m",
        "2": "Uí Mhaoldúin"
      },
      "expansion": "Ó Maoldúin m (genitive Uí Mhaoldúin)",
      "name": "ga-proper noun"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Irish compound terms",
        "Irish entries with incorrect language header",
        "Irish lemmas",
        "Irish male surnames",
        "Irish male surnames from patronymics",
        "Irish masculine nouns",
        "Irish multiword terms",
        "Irish proper nouns",
        "Irish surnames",
        "Irish surnames from patronymics",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "a male surname originating as a patronymic, feminine equivalent Ní Mhaoldúin, equivalent to English Muldoon"
      ],
      "links": [
        [
          "surname",
          "surname"
        ],
        [
          "Ní Mhaoldúin",
          "Ní Mhaoldúin#Irish"
        ],
        [
          "Muldoon",
          "Muldoon#English"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "Ó Maoldúin"
}