She did not want to be known only as the wife of her husband. She insisted on having her own 'identity'. [=on being known for her own qualities, achievements, etc.]
The face of the witness was hidden in order to protect her 'identity'. [=to keep her name from being known]
He has a strong sense of personal 'identity'. [=a strong feeling about exactly the kind of person he is]
(..) Does Sir Charles Litton have a swimming "peul"? A swimming "peul"? Back before you know it. Take care. Now what identity will you travel under? Well, I shall be, uh, dreary old Sir Charles Litton leaving the country- and, um, fearless, dashing, (..)1975 The Return of the Pink Panther
(..) While your men are searching for this man with the Dutch passport, he has undoubtedly thrown away his passport and is making ready... to leave the country under a new identity. When we find the fingerprints- If you find the fingerprints - You are both in trouble. But- But if we- Do (..)1975 The Return of the Pink Panther