Parse this person name:

Mary Christensen, 1474-1529, flourished 1496-1508
user
first_name: Mary
last_name: Christensen
middle_names: []
temporal:
- start: 1474
  end: 1529
  type: life_span
- start: 1496
  end: 1508
  type: flourished
titles: []
extra_info: []
assistant