Margaret M'Avoy (28 June 1800 – 18 August 1820) was a British impostor. M'Avoy was born in Liverpool in 1800. She allegedly went blind and she became well...

time Roscoe was asked to investigate the claims of the blind girl Margaret M'Avoy, who was said to be able to read using her fingers, at the request...

were also involved in the investigation of the young Liverpool woman Margaret M'Avoy about whom Sandars wrote a report "Hints to credulity" that was critical...