Parse this person name:

Mary Lucas (1904-1946, flourished 1921-1937)
user
first_name: Mary
last_name: Lucas
middle_names: []
temporal:
- start: 1904
  end: 1946
  type: life_span
- start: 1921
  end: 1937
  type: flourished
titles: []
extra_info: []
assistant