Parse this person name:

Margaud Boulanger, 1834-1888, flourished 1854-1877
user
first_name: Margaud
last_name: Boulanger
middle_names: []
temporal:
- start: 1834
  end: 1888
  type: life_span
- start: 1854
  end: 1877
  type: flourished
titles: []
extra_info: []
assistant