Parse this person name:

Jack Mckinney (1698-1778, flourished 1716-1746)
user
first_name: Jack
last_name: Mckinney
middle_names: []
temporal:
- start: 1698
  end: 1778
  type: life_span
- start: 1716
  end: 1746
  type: flourished
titles: []
extra_info: []
assistant