Mary Polly Round was born 1753 in Foster, Providence County, Rhode Island, United States to Peleg Round (1724-1796) and Susanna Hopkins (1728-1820) and died 3 September 1814 Bristol County, Rhode Island, United States of unspecified causes. She married John Walker (1753-) 1775 in Bristol, Bristol County, Rhode Island, United States.
|Offspring of John Walker, Jr. and Mary Polly Round (1753-1814)|
|Susan Walker (1775-)|
|Rhoda Walker (1777-1839)||26 March 1777 Bristol, Bristol County, Rhode Island, United States||6 November 1839 Nauvoo, Hancock County, Illinois, United States||Hezekiah Fisk (1775-1839)|
|Mary Walker (1780-1855)|
|John Walker (1780-1853)|
|William Walker (1782-1844)|
|Peleg Walker (1788-1822)|