Parse this person name:

Leon Boyd, 1857-1934, flourished 1876-1886
user
first_name: Leon
last_name: Boyd
middle_names: []
temporal:
- start: 1857
  end: 1934
  type: life_span
- start: 1876
  end: 1886
  type: flourished
titles: []
extra_info: []
assistant