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Mary Pratt 
Summary
Mary Pratt may refer to:
- Mary Pratt (painter) (1935–2018), Canadian painter
- Mary Pratt (baseball) (1918−2020), former pitcher
- Mary Louise Pratt (born 1948), professor of Spanish and Portuguese languages and literature
- Mary Ann Pratt, midwife and early member of the Latter Day Saint movement
- Mary Pradd, English woman murdered in 1876