Parse this person name:

Katherine Blake, 1719-1781, flourished 1741-1754
user
first_name: Katherine
last_name: Blake
middle_names: []
temporal:
- start: 1719
  end: 1781
  type: life_span
- start: 1741
  end: 1754
  type: flourished
titles: []
extra_info: []
assistant