gistfile1.txt

fieldKeys = {
  "1": "Name",
  "2": "Email",
  "3": "Some Field"
}

usefulInfo = entries.map(function(entryArr) { 
  return entryArr.reduce(function(obj, row, idx) {
    var correctKey = fieldKeys[idx]
    obj[correctKey] = row;
    return obj;
  }, {})
})

// usefulInfo == [{
//   "Name": "Some Name",
//   "Email" "example@email.com",
//   "Some Field" : "WOOOO"
// },{
//   "Name": "Some Name",
//   "Email" "example@email.com",
//   "Some Field" : "WOOOO"
// },{
//   "Name": "Some Name",
//   "Email" "example@email.com",
//   "Some Field" : "WOOOO"
// },{
//   "Name": "Some Name",
//   "Email" "example@email.com",
//   "Some Field" : "WOOOO"
// }]