Parse this person name:

Peggy Clark, 1876-1952, flourished 1903-1927
user
first_name: Peggy
last_name: Clark
middle_names: []
temporal:
- start: 1876
  end: 1952
  type: life_span
- start: 1903
  end: 1927
  type: flourished
titles: []
extra_info: []
assistant