Mary Roberts was born in about 1732 and was a resident of Chowan County, North Carolina by the time she married judge Thomas Bonner in about 1752. The Bonners had at least one child together. In 1774 Mary Bonner, her daughter Lydia, and forty-nine other women signed a nonimportation agreement that later became known as the Edenton Tea Party Resolves. Mary Bonner died in Chowan County in 1789.